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

It tells how--there's a conforming loan limit that is a limit on how much Fannie and Freddie -how big a mortgage they can make to one homeowner.

两者都有一个贷款限额标准,也就是限定房利美和房地美,面向单个购房者的抵押贷款额度

耶鲁公开课 - 金融市场课程节选