办TN签证是否除了job offer,还一定要TN letter? thanks

来源: kleinburg 于 2011-05-23 15:09:29 [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.