回复：回复：回复：863211老师，皮匠老师和小白兔老师以及有经验的大侠请帮帮我

来源: 于 2010-03-16 12:15:58 [旧帖] [给我悄悄话] 本文已被阅读：次

Thanks for the answer. How he can keep his green card if he back to China? Is he should come every half year stay here? Or he can stay summer time here and stay in China the
rest time?
Thanks again.