所有的非移民签证人申请绿卡都归入这范围,无论工签人才签都有年限
require people seeking green cards to leave the United States during the application process — a sweeping change that could upend the lives of hundreds of thousands of people seeking the right to legally and permanently live and work in the US.
In a new rule announced Friday, US immigration authorities said green card applicants would have to return to their home countries to apply for permanent visas.