When you buy high and sell low it's really hard to generate returns, even if you do it with great enthusiasm and great volume.

当你高价买入低价卖出时,是很难产生回报的,不管你有多大交易热情或有多大交易量

耶鲁公开课 - 金融市场课程节选

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