申請公民前五年需要在美國居住時間超過一半。且每次離境不得超過

一年，否則以前積累時間作廢
申請公民見www.uscis.gov./immigration forms/N-400,申請白皮書見uscis.gov/immigration forms/I-131

所有跟帖： 

• xiaobaitu, pjiang and radiology, please help me answer the quest -starry-china- ♀ (209 bytes) () 01/12/2008 postreply 20:50:47

• 回複：xiaobaitu, pjiang and radiology, please help me answer the qu -xiaobaitu- ♀ (115 bytes) () 01/12/2008 postreply 21:35:02