Selfinterest
自私自利
🗣️ 情景例句
My visa is multi-entry; it allows me to exit the country and then re-enter, as ofter as I like.
我的签证是往返签证，我可以随便进出这个国家。
Oh, Mr. Student.
哦，老兄，你是学生吧。
it is quite reasonable to regard the sea floor as the basic form of the crust of the earth,
因此完全有理由把海床看作地壳的基本模壳，