回複：請教863211, 每半年回美國一次工作1-3個月,其它時間在中國工作,有必要申請回美證嗎?

有綠卡,在中國工作7-9個月, 在美國工作3-5, 每年來回兩次,每次約在美國1-3個月,請問我是否仍需要申請回美證嗎
-If you do that for several times, USCIS may consider that you do not have the intent to live in US permanently. So, you had better get the reentry permit.