如题所述
我请客：
I'll treat you.
I am treating you. （比较礼貌）
I am paying.
It's my treat.
Let me treat you.
It's on me. (一般与被请客的人不熟，或者是吃完以后说）
Let me get this. (吃完后）
Let me take care of the bill. (吃完后）
其他人请客：
He will pay for it.
She is paying the bill.