感覺這180天以內和之後沒有區別啊?
-There is difference. It is very risky to change job before I-485 pending > 180 days: if the employer withdraw the I-140 or USCIS make a decision on your case during this period, then your I-485 will be void.
都是,如果要換工作,得找similar的工作。我的理解對嗎?