They don't ask how much someone paid for something.
他们不问别人买某个东西要花多少钱。
Sorry, Mr. Green can't see you now.
对不起,格林先生现在不能见您。
OK. We can get some more tomorrow. We should finish the floor now. Can you take the other end of this piece of wood? Now you have to pull it to make the surface smooth like that.