回複：回複：請問pjiang,XBT等老師: 用EAD受"Similar job"限製嗎?

Yes, she can file a new I-485 as a dependent and get a new EAD. Of course, she can also use her current EAD as long as her new I-485 has the same A# as the old I-485. But if she use EAD for a new job in a different area, her old I-485 may be denied, but not affect the new I-485.