众说纷纭. Here is just my personal experience

来源: 于 2008-07-28 19:38:13 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

before I headed to airport, I made a copy of my I-94 as my own record. I handed the original copy to the lady at airline check in desk. She refused. Instead, she asked for my GC. So I now keep my I-94 作记念.