What does it mean on update of I485? Thanks!

来源: 于 2010-06-07 14:28:17 [旧帖] [给我悄悄话] 本文已被阅读：次

I checked my status of I485. It is always in initial review. But its update date has been changed for several. Could anybody tell me why USCIS was keeping updating the date? Thanks a lot!