是不是 This page....may be used for reentry of the student to attend the same school after a temporary absence from the United States. Each certification signature is valid for one year. 持台湾护照、I-20、F1签证 就可以在美国就学期间进出加拿大、墨西哥,对吗? 谢谢大大解惑....
作者: cchris (cruising Panama Canal) 2014-06-20 22:06:00