美国社会保障号码。就业、开设银行账户、申请信用卡和获取驾照所需的9位数号码。E-2签证持有人入境后可在社会保障局（SSA）申请，通常2-4周内收到。SSN是个人信息的核心，需严格保管。
Brooklyn stands at a pivotal intersection of historical charm and aggressive modernization, presenting a unique opportunity for sophisticated capital alloc
Manhattan remains the preeminent destination for **foreign direct investment** in the United States real estate sector, offering unparalleled stability and
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