回复：如果你非要说“阴毒”不算骂人，那我也没什么话好说。——回复：我没有骂人，只是说明一个事实

Thanks to Bodd. But I wrote the invitation letter. I heard that the invitation letter has the legal effect that I will be responsible for all of the things that my niece does in the U.S.
Is that so? So in the legal aspect, I am the person who is responsible for my niece