回複：No. Must apply for it in US.

來源: 於 2013-09-20 13:10:47 [舊帖] [給我悄悄話] 本文已被閱讀：次

Thanks for your reply.
So if my parents stay in China over 1 year, when they come back to US, their green card will be 作廢，是嗎？他們會在入關時被返回嗎？還是需要簽證？