Third, some people have said don't the successful like Gates owe a debt to society for their success that they repay by paying taxes.

第三，有人说过，像盖茨这样的成功人士,难道不欠社会,不该通过缴税回报社会吗。

耶鲁公开课 - 公正课程节选

you get a grant that you don't have to repay.

你就能得到一笔不用偿还的助学金。

关于大学申请 - SpeakingMax英语口语达人

A "Subprime borrower" Is somebody who has a poor credit history or some other indication that would suggest that they might not be able to repay the mortgage-- they might default.

次级借款人"指的是,那些信用记录较差的借款人,或在其他方面显示,他们很可能无力偿还贷款,也就是说他们很可能违约

耶鲁公开课 - 金融市场课程节选

But you have to repay the other two.

但是你必须偿还其他两种。

关于大学申请 - SpeakingMax英语口语达人