保持 F-1 身份通常很简单，不外乎准时上课，稳稳当当的完成学业。 然而，在一些反常的情况下，F-1 学生在 SEVIS 系统里的记录可能会被终止，从而危及在美国的居留身份。...

Maintaining F-1 status is usually straightforward.  However, there are exceptional situations...

...

...

受公司PERM赞助之前，国外员工常常会先以F-1 OPT 或 H-1B 等等身份替公司工作。...

Program Electronic Review Management, or PERM, is a lengthy immigration application process. ...

In a previous article, we discussed the basics of the H-1B status and general application process...

...

The American immigration system is complex.  America’s long history as a nation of immigrants...