乘商業客機客船離境移民局可以通過旅客名單知道你曾離境.走陸路沒有記錄,需要郵寄I-94卡給移民局.
LINK:
https://help.cbp.gov/app/answers/detail/a_id/752/~/i-still-have-my-i-94
If you failed to turn in your I-94 Departure Record, please send it, along with any documentation that proves you left the United States to:
DHS - CBP SBU
1084 South Laurel Road
London, KY 40744
USA