今天我请客.怎么翻译?

今天我请客
如果你请别人吃饭,付帐的时候,告诉别人：
It's on me.
(我请客.)
It's my treat.
(我请客.)
Be my guest.
(我请客.)
你还可以说：
Let me pay the bill.
(我来付帐.)
Let me foot the bill.
(让我付帐.)
I want to treat you.
(我请你.)
Note:
It's on me.表示我请客.
It's on you.表示你请客.
如果Waiter送一些免费的小菜,他会说：
It's on the house.
店老板请客,意思是“免费招待”.
It's my treat.
我请客,