Mary: Thanks for lunch. It was delicious.
玛丽：谢谢你的午餐，非常好吃。
Shelly: It's OK.
雪莉：不客气。
Mary: Next time lunch is on me.
玛丽：下次我请。
Shelly: Don't be silly.
雪莉：得了吧。
Mary: I'm serious.
玛丽：我说真的。
Shelly: All right. Next time you'll treat.
雪莉：好吧，下次你请。
Mary: It's a deal!
玛丽：就这么定了。