回复：回复：回复：回复：回复：回复：回复：回复：回复：请教关于EB1b和NIW的一个问题，可能有点复杂， 多谢各位大师

The only thing you need to worry about is that your employer withdraw the approved I-140 before your I-485 pending is for more than 180 days. If so, your I-485 will be denied.