如果是离开美国去加拿大，不需要交回。如果去其它国家则会被收回

来源: xiaobaitu 于 2008-03-23 14:03:26 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

WENXUECITY.COM does not represent or guarantee the truthfulness, accuracy, or reliability of any of communications posted by other users.