请教各位老师,想给妹妹办绿卡

来源: 于 2012-12-16 20:16:15 [旧帖] [给我悄悄话] 本文已被阅读：次

知道要很长时间,如果这其间妹妹申请旅游签证,是否有麻烦?because the conflicts of immigration and non-immigration visas...

Thanks a lot.