回复：Probably this is what you need.

* Have been a child from a marriage of yours (the marriage must have existed at the time of your admission to the U.S.) or
* Have been a stepchild from a marriage of yours (the marriage must have existed at the time of your admission to the U.S.) or

绿卡是在离婚多年后拿到的，想把女儿办到美国，前妻完全同意。