Then the deal is that when you sell the house they subtract -you've got to pay this.

那么当你售出房子后,他们会从中减去,这个余额,这就是你要付给他们的

耶鲁公开课 - 金融市场课程节选

I will then make sales but each of those sales I'm making a loss on.

这样我才能售出产品,但每售出一件产品,我就承担一份亏损

耶鲁公开课 - 博弈论课程节选