回复：you mean different system or 回复：They're different - 回复：H1B回国被

来源: 于 2007-11-29 08:51:52 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

Both are conducted by FBI, but for different purpose, and performed in a different way. They can not be replaced each other.