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

So if we talk about the probability density and we write that in, it's going to be sigma 1 s star squared, 1sb so now we're talking about 1 s a minus 1 s b, all of that being squared.

如果我们讨论概率密度，而且我们把它写出来，它等于sigma1s星的平方，现在我们说的是1sa减去，这整体再平方。

麻省理工公开课 - 化学原理课程节选