If you have not seen the calculus that I'm about to use on the board, or more likely, if you've forgotten it since high school, don't panic.

如果你们没有见过我将要,在板书上写的表达式,或者说,高中毕业你们就忘了,没关系

耶鲁公开课 - 博弈论课程节选

So there's a panic in the market for securitized mortgages - and the price is often very low or if it's they're very hard to market and hard to sell.

所以，在市场上,证券化按揭贷款引起了恐慌,并且价格通常很低或者说如果它,他们很那出售而且对市场不利。

耶鲁公开课 - 金融市场课程节选