美国留学签证常见英文问题防止被拒签
What's your name?
How are you?
How old are you?
如何申请美国工签?工签分哪些种类?
一、L类(跨国企业派遣签证)
1、L1,分为L1A(高管派遣)和L1B(技术人员派遣)