📚 Safety Tips and Self-Protection Strategies for Studying in the U.S. | 美国留学安全建议与自我保护策略
Studying in the United States offers exceptional academic opportunities and cultural immersion, but it also requires a keen awareness of personal safety. International students must navigate unfamiliar urban environments, diverse legal frameworks, and potential risks they might not have encountered at home. This guide provides a structured, evidence-based approach to staying safe, covering campus security, accommodation, transportation, fraud prevention, self-defense, health emergencies, legal rights, and mental well-being. By internalizing these strategies, you can significantly reduce vulnerabilities and focus on your educational goals with confidence.
赴美留学带来卓越的学术机会与文化沉浸体验,但同时需要对人身安全保持高度警惕。国际学生必须适应陌生的城市环境、多元的法律框架,以及在国内可能未遇到过的潜在风险。本指南从校园安全、住宿、出行、防诈骗、自我防卫、健康急救、法律权利和心理健康等方面,提供一套结构化、基于实证的安全策略。将这些策略内化于心,可以大幅降低脆弱性,让你自信地专注于学业目标。
1. Understanding the U.S. Safety Landscape | 了解美国安全环境
The United States is a vast country with enormous variation in safety from one neighborhood to another. Crime rates can differ dramatically even within a single city, and your risk level often depends on location, time of day, and situational awareness. Unlike many countries with homogeneous security conditions, the U.S. operates on a hyper-local safety logic: a university campus may be extremely safe while the area three blocks away requires caution. International students should immediately learn to interpret crime statistics, identify safe corridors, and understand the concept of 'situational awareness' — the habit of actively scanning your environment for potential threats without becoming paranoid.
美国国土辽阔,不同街区的安全状况差异巨大。即便在同一座城市,犯罪率也可能有天壤之别,风险水平往往取决于地点、时间以及你的环境觉察力。与许多安全性相对均质的国家不同,美国遵循一种高度本地化的安全逻辑:大学校园可能极其安全,而三个街区外的区域则需要格外小心。国际学生应当尽快学会解读犯罪统计数据、识别安全通道,并理解“环境觉察”的概念——即养成主动扫描周围环境以识别潜在威胁的习惯,同时避免陷入多疑。
Begin by researching your destination city and campus using official sources. The U.S. Department of Education's Campus Safety and Security Data tool provides detailed reports on crimes reported on or near campus. Every college also publishes an Annual Security Report (Clery Act) that includes statistics and prevention policies. Identify areas with high rates of violent crime or property crime; most university towns have off-campus neighborhoods that are student-friendly and patrolled. Learn which streets are well-lit and frequently traveled after dark, and which bus or shuttle routes are recommended by the university. Also, familiarize yourself with local emergency numbers—while 911 is universal, many campuses have their own police departments with direct lines. Save these numbers in your phone and know your exact address in English to relay it quickly if needed.
首先,利用官方渠道研究你的目的地城市和校园。美国教育部校园安全与安保数据工具提供校园及周边报告犯罪的详细数据。每所大学还会根据克勒里法案发布包含统计数字和预防政策的年度安全报告。找出暴力犯罪或财产犯罪高发的区域;大多数大学城都有受学生欢迎且有巡逻的校外社区。了解哪些街道夜间照明良好且行人频繁,以及学校推荐的巴士或班车路线。同时,熟悉当地紧急电话号码——虽然911通用,但许多校园有自己的警察部门并有直拨电话。将这些号码保存在手机中,并用英语牢记自己的确切地址,以便需要时快速传递。
2. Campus Safety Essentials | 校园安全要务
College campuses in the U.S. are generally regarded as controlled environments with dedicated security forces, yet incidents do occur. The key is to use campus safety infrastructure proactively. Most institutions offer blue-light emergency phones located across campuses—pressing the button instantly connects you to campus police. Always know where the nearest one is when walking late at night. Enroll in your school's emergency notification system, which sends text alerts about imminent threats, weather closures, or other crises. Do not ignore these alerts; they are often triangulated with real-time police data.
美国大学校园通常被视为有专职安保力量的控制环境,但事故仍然时有发生。关键在于主动利用校园安全基础设施。大多数院校在校园各处设有蓝光紧急电话,按下按钮即可直接连接校园警察。夜间独自行走时,务必知晓最近的蓝光电话在哪里。注册学校的紧急通知系统,该系统会发送有关迫在眉睫的威胁、恶劣天气停课或其他危机的短信提醒。不要忽视这些提醒,它们通常与警方实时数据联。
Furthermore, take advantage of escort services or safe-walk programs many universities offer. You can request a security officer or trained student to accompany you from the library to your dormitory or car after dark. When studying late on campus, choose a spot in a building that remains open and populated, not an isolated corner. Always let a friend or roommate know your expected return time and route. In labs or studios, be mindful that expensive equipment can make you a target for theft; never leave laptops, phones, or wallets unattended even for a few minutes. Lock your screen when stepping away and use cable locks in the library. These habits are the first line of defense in a community where property crime is more common than violence.
此外,充分利用许多大学提供的护送服务或安全步行项目。你可以要求保安人员或受过训练的学生在夜晚陪你从图书馆走到宿舍或车子旁。在校园深夜学习时,选择留在开放且有人流的建筑物内,而非僻静的角落。始终让朋友或室友知道你的预计返回时间和路线。在实验室或工作室,谨记昂贵的设备可能使你成为盗窃目标;切勿将笔记本电脑、手机或钱包无人看管哪怕几分钟。暂时离开时要锁屏,在图书馆使用钢缆锁。在财产犯罪比暴力犯罪更为普遍的社区里,这些习惯是第一道防线。
3. Housing and Residential Security | 住宿与居家安全
Whether you live on campus in a residence hall or off campus in an apartment, security begins with the physical environment. On-campus dorms typically have front-desk attendants, electronic key-card access, and restricted visitor policies. Always respect these measures—do not prop open exterior doors or let strangers follow you in (tailgating). If you see someone suspicious, report it to the resident advisor or campus security immediately. For off-campus housing, research the building's security before signing a lease. Check if there are deadbolt locks on all external doors, functioning peepholes, and adequate lighting in hallways and parking areas. Ground-floor or garden-level apartments are more vulnerable to break-ins; if you must rent one, ensure windows have sturdy locks and consider adding a security bar.
无论你住在校园内的宿舍楼还是校外的公寓,安全始于物理环境。校内宿舍通常设有前台接待员、电子钥匙卡出入和访客限制政策。务必尊重这些措施——不要撑开外门或让陌生人尾随进入。如果发现有可疑人员,立即向宿管或校园保安报告。对于校外住所,在签订租约前先调查建筑安全。确认所有外门都有门栓锁,猫眼功能完好,走廊和停车区域照明充足。底层或半地下公寓更容易被入室盗窃;如果不得不租住,确保窗户配有坚固的锁,并考虑加装安全横杠。
Develop a routine of locking all doors and windows whenever you leave, even for a short trip to the laundry room. Many international students come from cultures where leaving a door unlocked is normal; in the U.S., this is a significant risk. Invest in renter's insurance—it costs a modest amount per month and protects your belongings against theft, fire, or water damage. Engrave your driver's license number on valuable electronics to aid recovery. When sharing a house with roommates, establish clear rules about who can come over and when, and never hesitate to speak up if a roommate's guest makes you uncomfortable. A harmonious living situation is also a safer one: domestic disputes and party-fueled volatility are common sources of police calls in student-heavy areas. Keep communication open and respectful, but be prepared to involve your landlord or the university housing office if conflicts threaten your safety.
养成每次离家都锁好所有门窗的习惯,哪怕只是走去洗衣房的短途。许多国际学生来自不锁门也属正常的文化环境;但在美国,这是一种重大风险。购买租客保险——每月只需花费少许即可保护你的财物免受盗窃、火灾或水损。在贵重电子产品上刻上你的驾照号码,有助于失物找回。与室友合住时,制定明确的访客规矩,如果室友的访客令你不安,绝不要犹豫表达。和谐的居住环境也更安全:家庭纠纷和聚会引发的动荡是学生聚居区报警的常见原因。保持沟通开放且尊重,但如果矛盾威胁到你的安全,准备请房东或大学住宿办公室介入。
4. Navigating Urban and Public Transportation | 城市与公交出行安全
Public transit systems in the U.S. vary widely in safety and reliability. In major cities like New York, Boston, or Chicago, subways and buses are heavily used and generally safe during peak hours, but late-night travel demands extra caution. Always stand near the station agent booth or in designated waiting areas with other passengers. Avoid empty subway cars; board the car with the most people, even if it means a longer walk on the platform. On buses, sit close to the driver if you feel uneasy. Know the schedule of the last train or bus to avoid being stranded—missing it can leave you vulnerable while waiting for a ride-share.
美国的公共交通系统在安全性和可靠性方面差异很大。在纽约、波士顿或芝加哥等大城市,地铁和公交在高峰时间客流大,通常比较安全,但深夜出行需要格外小心。始终站在站务员亭附近或指定的候车区,与其他乘客一起。避免进入空车厢;选择人数最多的车厢,哪怕这意味着在站台上多走几步。乘坐公交车时,如感不安可靠近司机就座。了解末班车时间,避免滞留——一旦错过,可能会在等待网约车时暴露风险。
Ride-sharing services like Uber and Lyft are convenient, but they also pose safety risks if used carelessly. Always verify the vehicle's license plate, make, and model against the app before getting in. Confirm the driver's name and your destination in a way that does not reveal personal information—ask "Who are you here to pick up?" and listen for your name or a code. Share your trip status with a trusted contact through the app's safety features. Sit in the back seat on the passenger side to give yourself visibility and an easier exit. If the driver's behavior seems erratic, trust your instincts and ask to be let out in a well-lit, public area. Moreover, walking in U.S. cities requires an assertive posture: walk purposefully, keep your head up, and avoid staring at your phone screen. When using earbuds, keep one ear free to stay alert to approaching footsteps or vehicles.
像优步和来福车这样的网约车服务很方便,但若不谨慎使用也会带来安全风险。上车前务必对照App核对车辆牌照、品牌和型号。确认司机姓名和目的地时,不要泄露个人信息——可以问:“你是来接谁的?”,然后听取你的名字或代号。利用App的安全功能与信任的联系人分享行程。坐在后排副驾驶一侧,以便观察路况且更容易下车。如果司机行为显得异常,相信直觉并要求在照明良好、人流较多的公共区域下车。此外,在美国城市中步行需要一种果断的姿态:目标明确地行走,抬头,避免紧盯手机屏幕。佩戴耳机时,留一只耳朵自由,以对接近的脚步或车辆保持警觉。
5. Online and Scam Awareness | 网络及骗局防范
International students are prime targets for scammers posing as government officials, university staff, or landlords. The most common is the 'Chinese embassy' or immigration fraud, where callers claim there is a problem with your visa or a package from abroad and demand immediate payment or personal details. Legitimate U.S. government agencies, including ICE or USCIS, will never call to demand money by wire transfer, gift cards, or cryptocurrency. If you receive such a call, hang up and report it to your university's international student office and the Federal Trade Commission (FTC). Similarly, phishing emails mimicking your school's IT department or bank request you to 'verify' your login credentials—always navigate to the official website manually rather than clicking links in unsolicited emails.
国际学生是冒充政府官员、大学工作人员或房东的诈骗者的主要目标。最常见的骗局是“中国大使馆”或移民欺诈,来电人声称你的签证或国际包裹有问题,要求立即付款或提供个人信息。合法的美国政府机构,包括移民及海关执法局或美国公民及移民服务局,绝不会打电话要求通过电汇、礼品卡或加密货币转账。接到此类电话,立即挂断并向所在大学的国际学生办公室和联邦贸易委员会举报。同样,模仿学校IT部门或银行的钓鱼邮件让你“验证”登录凭证——务必手动输入官方网站地址,而不要点击未经请求的邮件中的链接。
Housing scams are rampant in university areas, with fraudsters posting fake listings for apartments that do not exist or have already been rented. Never wire a security deposit or first month's rent without physically inspecting the property or conducting a live video tour with the landlord. Use reputable platforms and verify the landlord's identity through county property records. In addition, be cautious with social media: oversharing your location in real time, expensive purchases, or travel dates can make you a target for burglary. Adjust privacy settings to restrict posts to close friends and disable location tagging. Cyber safety also includes using a VPN on public Wi-Fi and enabling two-factor authentication on all financial and email accounts to prevent identity theft.
大学周边的租房骗局泛滥,骗子发布虚假的公寓招租广告,声称的房源根本不存在或早已租出。在没有实地看房或与房东进行实时视频看房前,绝不要电汇保证金或首月租金。使用信誉好的平台,并通过县房产记录核实房东身份。此外,在社交媒体上要谨慎:实时分享你的位置、贵重物品或旅行日期,可能使你成为入室盗窃的目标。调整隐私设置,将帖子限制给亲密朋友,关闭位置标记。网络安全还包括在公共Wi-Fi上使用VPN,并为所有金融和电子邮箱账户启用双因素认证,以防身份盗用。
6. Self-Defense and Personal Protection | 自我防卫与人身保护
While avoiding confrontation is always the best strategy, basic self-defense knowledge can provide crucial seconds to escape a volatile situation. Many university recreational centers offer free or low-cost self-defense workshops for students, often tailored to women or the LGBTQ+ community. These classes teach not only physical techniques like palm strikes, groin attacks, and wrist releases but also the psychology of assertiveness and boundary-setting. Carrying personal safety devices is legal and widely practiced. Pepper spray is permitted on most campuses if used in self-defense, but check local regulations—some states restrict size or concentration. A small, powerful flashlight can disorient an attacker temporarily and is not considered a weapon, so it can be carried anywhere, even on flights.
虽然避免冲突永远是最佳策略,但基本的自我防卫知识可以为你争取关键几秒钟来逃避危险情况。许多大学的娱乐中心为学生提供免费或低价的自我防卫工作坊,通常针对女性或LGBTQ+群体。这些课程不仅教授手掌击打、裆部攻击和手腕解脱等身体技巧,还传授自信果敢的心态与边界设定的心理学。携带人身安全装置是合法的且被广泛采用。胡椒喷雾在多数校园允许在自卫时使用,但需查询当地法规——某些州限制喷雾的尺寸或浓度。一个小巧的高亮度手电筒可以临时使攻击者目眩,且不算作武器,可以随身携带,连飞行旅行也可。
Beyond tools, the most effective self-defense is practiced situational awareness. Walk in groups whenever possible, especially at night. If walking alone is unavoidable, stay on well-lit paths, hold your keys like a weapon (between your fingers), and avoid wearing noise-canceling headphones. Trust what your body tells you—if a place or person feels wrong, do not rationalize it away; change your route, enter a store, or call someone on the phone and describe your location loudly. Some students download safety apps such as Noonlight or bSafe that can silently alert authorities if a button is held and released without entering a PIN. Register your emergency contact and health information in your phone's emergency medical ID feature so first responders can access it even when the phone is locked.
除了工具,最有效的自我防卫是熟练的环境觉察力。尽可能结伴行走,尤其是夜间。如果不得不独自行走,选择照明良好的路径,手持钥匙如武器(放在指间),避免佩戴降噪耳机。相信身体的直觉——如果某个地方或某个人让你感觉不对劲,不要用理性说服自己忽略;改变路线,进入商店,或打电话给某人并大声描述你的位置。一些学生下载Noonlight或bSafe等安全应用,当按下屏幕按钮并在不输入密码的情况下松开时,会悄然通知警方。将紧急联系人和健康信息录入手机的紧急医疗ID功能,这样即使手机锁定,急救人员也能获取信息。
7. Health and Emergency Preparedness | 健康与紧急情况准备
Medical emergencies can feel terrifying in a foreign country, but the U.S. system operates on a predictable protocol. If you or someone else experiences a life-threatening condition—chest pain, severe bleeding, difficulty breathing—call 911 without hesitation. Ambulance services can be expensive, but your life is worth it; many universities offer supplementary health insurance that covers ambulance rides. For non-life-threatening illnesses, visit the campus health center, which provides affordable care. Always carry your health insurance card and know your plan's in-network hospitals to minimize out-of-pocket charges. The 24/7 nurse advice line on the back of your insurance card can guide you on whether to go to urgent care or an emergency room.
身处异国他乡,医疗紧急情况可能令人恐惧,但美国的系统遵循可预测的流程。如果你或他人出现危及生命的情况——胸痛、严重出血、呼吸困难——请毫不犹豫拨打911。救护车服务可能费用高昂,但生命无价;许多大学提供补充健康保险,涵盖救护车接送。对于非危及生命的疾病,前往校园健康中心,那里提供平价医疗。始终携带你的健康保险卡,并了解你保险计划内的网络医院,以尽量减少自付费用。保险卡背面的24/7护士咨询热线可以指导你是去紧急护理诊所还是急诊室。
Equally important is preparing for natural disasters or campus lockdowns. The U.S. experiences tornadoes, hurricanes, earthquakes, and active-shooter situations. Understand the specific hazards in your region—for instance, if you study in the Midwest, learn to identify tornado sirens and know where the nearest shelter is. If your campus conducts active-shooter drills, take them seriously: the 'Run, Hide, Fight' protocol is standard. Run if you can safely exit the area; hide if escaping is not possible, barricade the door, and silence your phone; fight only as a last resort with aggressive physical force. Keep a small emergency kit in your dorm or backpack with a whistle, basic first-aid supplies, a portable charger, and a list of emergency contacts printed on paper in case your phone is dead.
同样重要的是为自然灾害或校园封锁做好准备。美国会遭遇龙卷风、飓风、地震和枪击事件。了解你所在区域的具体灾害——例如,如果你在中西部学习,学会识别龙卷风警报,并知道最近的避难所位置。如果你的学校进行枪击事件演练,要认真对待:“逃跑、躲藏、搏斗”是标准流程。如果能安全离开,立即跑;如果无法逃跑则躲藏,堵住门,手机静音;只有在最后关头才使用猛烈肢体力量搏斗。在宿舍或背包中放一个小型应急包,内有哨子、基本急救用品、便携充电器和一份打印的紧急联系人名单,以防手机没电时使用。
8. Understanding U.S. Laws and Your Rights | 了解美国法律与自身权利
The U.S. legal system can be complex and daunting for newcomers, but knowing a few key principles protects you during encounters with law enforcement. The right to remain silent is constitutionally protected; you do not have to answer questions about your immigration status or where you are going beyond providing basic identification if lawfully stopped. However, you must always remain calm and respectful—do not make sudden moves or argue with officers. If an officer asks to search you or your property, you can clearly state, 'I do not consent to a search.' Being arrested is not the same as being convicted, and you have the right to an attorney. Never sign documents you do not fully understand without legal counsel. Your university's international services can connect you to immigration attorneys if needed.
对于初来者,美国的法律体系可能复杂而令人畏惧,但了解若干关键原则能在与执法部门接触时保护你。保持沉默的权利受宪法保护;如果被合法拦停,除了提供基本身份证明,你不必回答关于移民身份或去往何处的问题。然而,你必须始终保持冷静和尊重——不要突然动作或与警官争辩。如果警官要求搜查你或你的财物,你可以清晰声明:“我不同意搜查。”被逮捕不同于被定罪,你有权获得律师。切勿在没有法律顾问的情况下签署任何不完全理解的文件。如有需要,大学的国际服务部门可以帮你联系移民律师。
Alcohol and drug laws in the U.S. are strictly enforced and differ from state to state. The legal drinking age is 21 in all states, and using a fake ID is a serious offense that can jeopardize your visa status. Public intoxication, open containers in vehicles or on streets, and driving under the influence (DUI) are criminalized. Marijuana remains illegal under federal law, even if a state has legalized it for recreational use; as an international student on a visa, any violation of federal drug laws can lead to deportation and a permanent bar from re-entry. Smoking in prohibited areas can also result in heavy fines. Know your university's code of conduct and the potential academic disciplinary actions that accompany legal ones.
美国的酒精和药物法律执行严格,且各州不同。所有州的法定饮酒年龄均为21岁,使用假身份证是严重犯罪,可能危及签证身份。公共场所醉酒、车内或街头开盖饮酒、以及受影响下驾驶均属犯罪。大麻在联邦法律下仍为非法,即使某个州已将娱乐用途合法化;作为持签证的国际学生,任何违反联邦药物法律的行为都可导致驱逐出境并永久禁止再次入境。在禁烟区吸烟也可能招致高额罚款。了解你所在大学的行为准则,以及伴随法律惩处而来的学术处分。
9. Cultural Adaptation and Conflict Avoidance | 文化适应与冲突避免
Personal safety extends beyond physical threats to include the psychological strain of culture shock and social friction. Misunderstandings rooted in differing communication styles—such as perceived directness or indirectness—can escalate into hostile encounters. Americans may interpret a lack of eye contact as deceit or disinterest, while some international students find sustained eye contact confrontational. Learning these nuanced cultural cues is a protective measure. Similarly, road rage incidents occur frequently; if you are driving and someone aggressively follows or gestures, do not engage. Keep your doors locked, avoid making eye contact, and drive to the nearest police station if you feel in danger. Never exit your vehicle to argue.
人身安全不仅限于身体威胁,还包括文化冲击和社交摩擦带来的心理压力。因沟通风格差异(如直白或含蓄的不同感知)而产生的误解可能升级为敌对冲突。美国人可能将缺乏眼神交流解读为欺骗或冷漠,而一些国际学生则认为持续的眼神交流具有对抗性。学习这些微妙的文化线索是一项保护措施。同样,路怒事件时有发生;如果你在驾驶时有人挑衅跟随或做出手势,不要理会。锁好车门,避免眼神接触,如果感到危险就开到最近的警察局。绝不要下车争论。
In social settings, alcohol consumption can blur boundaries and lead to unsafe situations. If you choose to drink, do so moderately and always keep your drink in sight to prevent tampering. Be aware that fraternity parties or large off-campus gatherings can sometimes become chaotic; have a pre-established plan with friends about how you will leave and what the code word is if someone feels uncomfortable. Consent culture is emphasized on U.S. campuses—sexual activity without affirmative consent is considered assault. Understanding this concept is critical for both your own behavior and recognizing when boundaries are being violated. Respecting personal space, asking before taking photos, and being cautious with sarcasm can avoid misinterpretations that compromise your safety.
在社交场合,饮酒可能模糊界限并导致不安全情境。如果选择饮酒,要适度,并始终将饮料置于视线之内以防被下药。注意,兄弟会派对或大型校外聚会有时会变得混乱;与朋友事先商量好撤离计划和不安时的暗语。美国校园强调同意文化——没有明确同意的性行为被视为侵犯。理解这一概念对于规范自身行为以及识别何时界限被逾越至关重要。尊重个人空间、拍照前先询问、对讽刺表达谨慎,可以避免误解从而危及安全。
10. Mental Health and Support Resources | 心理健康与支持资源
Feeling isolated, anxious, or depressed can reduce your vigilance and make you more susceptible to danger. The stress of high academic expectations, language barriers, and loneliness is real for international students. Proactively access mental health services; nearly all U.S. universities provide free or low-cost counseling sessions. These are confidential and designed to help with both everyday stress and crises. Do not wait until you are in extreme distress. Many campuses also have peer support groups, international student friendship programs, and crisis text lines available 24/7. If you ever experience hate speech or discriminatory harassment, report it—universities have bias response teams that can offer protection and ensure your academic environment remains safe.
感到孤立、焦虑或抑郁会降低你的警觉性,使你更容易受到危险。高学业期望、语言障碍和孤独感带来的压力对国际学生来说是真实存在的。主动获取心理健康服务;几乎所有美国大学都提供免费或低价的咨询面谈。这些服务是保密的,旨在帮助应对日常压力和危机。不要等到极度痛苦时才求助。许多校园还设有同伴互助小组、国际学生友谊项目以及全天候危机短信热线。如果你遭遇仇恨言论或歧视性骚扰,务必举报——大学有偏见响应团队,可以提供保护并确保你的学术环境安全。
Building a safety network is a cornerstone of psychological and physical security. Connect with your international student advisor early; they are trained to assist with everything from legal concerns to cultural adjustment. Identify at least three trusted individuals—a professor, a resident advisor, and a fellow student—whom you can contact in an emergency. Share your class schedule and travel plans with a friend back home and locally. When you travel, use the Smart Traveler Enrollment Program (STEP) to receive safety updates from the U.S. embassy. Regular check-ins with family not only ease their worry but also create a timeline of your whereabouts that can be invaluable if something goes wrong. Remember, asking for help is a sign of strength, not weakness, in an unfamiliar environment.
构建安全网络是心理与人身安全的基石。尽早与你的国际学生顾问建立联系;他们受过培训,能协助从法律事宜到文化适应的一切。确定至少三位值得信赖的人——一位教授、一位宿管和一位同学——在紧急情况下可以联系。将你的课程表和旅行计划分享给家乡和本地的朋友。旅行时,使用智能旅行者登记计划接收美国大使馆的安全更新。与家人定期联系不仅能缓解他们的担忧,还能建立一条踪迹时间线,万一出事将极其宝贵。记住,在陌生环境中求助是力量而非软弱的表现。
Published by TutorHao | Study Abroad Safety Series | aleveler.com
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