J1要在美国呆多长时间后才能开始申请waiver? 申请waiver一般花多长时间？

来源: autumn199 于 2012-04-19 17:02:31 [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.