我們打算在來到美國3個月後提出申請，如果他們6個月內沒有得到移民局任何反饋 ,
他們是否應該留下（申請延期）或回國？ 下次過來還 持有 10Y B2 Visa 入關 有問題嗎？
-Afer they file I-485, they can legally stay in US until getting their green card, no more B2 extension or B2 visa use due to immigration intent. They can apply for advance parole to travel to China during the I-485 pending.
他們是否應該留下（申請延期）或回國？ 下次過來還 持有 10Y B2 Visa 入關 有問題嗎？
-Afer they file I-485, they can legally stay in US until getting their green card, no more B2 extension or B2 visa use due to immigration intent. They can apply for advance parole to travel to China during the I-485 pending.
