这次由我请客。

This is my treat.

《新英汉大辞典》

别忘了这次该我请客，所以一切由我付款。

Now remember this is to be my treat, so I'll pay for everything.

youdao

这次我请客，所以由我来买单。

It is my treat, so I foot the bill.

youdao

这次我请客，所以由我来买单。

It is my treat, so I foot the bill.

youdao