回复：Good luck to you!

Just personal opinion, if I were you, I will appy canada green card if it's possible, at least it gives you longer time to stay in North America.

我还是不太明白你上面那段话说的意思。我有加拿大绿卡，可怎么才能凭加拿大绿卡在美国多停留呢？

如果你知道的话，请指点，对我会有很多帮助。多谢。