Easy

來源: 於 2005-10-21 11:55:01 [舊帖] [給我悄悄話] 本文已被閱讀：次

Don't hand over I-94 to airline attendants when they board airplane. INS doesn't know when they leave US since I-94 doesn't goes back to INS. On the other hand, INS may believe that they never leave US and stay illegal.