Optional Practical Training (OPT) is a period during which undergraduate and graduate students with F-1 status who have completed or have been pursuing their degrees for more than nine months are permitted by the United States Citizenship and Immigration Services (USCIS) to work for one year on a student visa towards getting practical training to complement their education.
还是F1身份,合法
Although Sun never made specific threats, Beary said that his detention might have saved lives. “Some of the [investigators] with a lot of years of experience … walked away and said, ‘we just saved a bunch of lives,’ ” Beary said. “There’s no doubt about it.”