can I change us citizen back to green card?

来源: 于 2009-05-29 13:42:11 [旧帖] [给我悄悄话] 本文已被阅读：次

I am a us citizen for about 10 years now and planing to live in china after retirement. Since china doesn't recognize duo citizenship, it will be convenient for me to hold a greed card. Any suggestions? Thanks.