回複：一種假設, 大家研究一下. 希望能給一些人幫助.

來源: foiyu 於 2004-11-30 07:05:33 [] [舊帖] [給我悄悄話] 閱讀數 : (209 bytes)

For F1, before you travel, ur school will endorse your I-20. SO they have record.

For H1, I am not sure.

However, if you go back to China, your Passport will have a stamp. This is hard evidence.

請您先登陸，再發跟帖！