One peculiar property of this--incidentally, at every point of time this thing holds, this is time to maturity.

顺便说一下这个公式一个特别的性质,这个等式在任何时候都成立,这是贷款剩余期限

耶鲁公开课 - 金融市场课程节选

The history of mortgages is that they have generally over time gotten more easy on loan-to-value ratio and also on maturity.

从抵押贷款的历史来看,随着时间推移,抵押贷款,对于贷款价值比和期限越来越宽松

耶鲁公开课 - 金融市场课程节选

So, I've got here a term structure; well, the term structure is the plot of yield-to-maturity against time-to-maturity.

我这有一张期限结构图,期限结构其实是,到期收益率与到期期限之间的关系图

耶鲁公开课 - 金融市场课程节选