我父母去年4月份拿到绿卡,12月初回国。现家里有些事情需要推迟归期,这样的话他们在国内滞留时间会有10个月左右,请问他们返美时会不会遇到麻烦?
-Normally it should be OK, but your parents had better not travel to China too often in the near future after they return.
要不要预先申请?