A：How much should I pay?一共多少钱?

B：Let me see. A roasted duck is $25. A plate of pork is $6.50. A bowl of beef is $7. Two bottles of beer are $4. That's a total of $42.50.我看看，烤鸭是25美元，一盘猪肉是6.5美元，一碗牛肉是7美元，两瓶啤酒是4美元，一共是42.5美元。

A：Here is $50. Keep the change, please.这是50美元，不用找了。

B：Oh, sorry sir. We take no tips here. Thank you all the same.哦，抱歉先生。我们这里不可以收小费，不过还是谢谢您。