请问EAD和OPT卡是什么？

来源: 1347 于 2006-01-04 15:05:42 [旧帖] [给我悄悄话] 本文已被阅读：次

请问EAD和OPT卡是什么？

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