Now today, the standard mortgage, which you would probably get when you buy your first house, is not fifteen or twenty--it's thirty years.

今天,标准的抵押贷款,当你买第一套房子时你或许就能得到,期限不是15或者20年,而是30年

耶鲁公开课 - 金融市场课程节选

So, that's a funny property of conventional mortgages -that the mortgage balance declines very slowly at first and then it falls rapidly when it comes to maturity.

这是普通贷款很有意思的特性,即贷款余额在起初减少的非常缓慢,但随着到期日的临近,便会加速递减

耶鲁公开课 - 金融市场课程节选