Now, you have to understand that when you buy a bond, if you buy it at issue, you get the first coupon in six months, the second coupon in one year, the third coupon in eighteen months, and the last coupon you get at the maturity date.

你们需要了解,如果在发行时就购入债券,六个月后会得到第一笔票息,一年后第二笔,18个月后第三笔,到期时得到最后一笔票息

耶鲁公开课 - 金融市场课程节选

The maturity of a mortgage is the date when it's paid off.

其中抵押贷款期限是指清偿贷款的日期

耶鲁公开课 - 金融市场课程节选

There have also been one hundred-year bonds and there have also been perpetuities that-- in the UK, for example, the British Consoles-- have no expiration date and they have infinite maturity.

还有更长期的一百年债券,还有一种永续年金,比如说英国的大英统一公债,没有过期日,永不到期

耶鲁公开课 - 金融市场课程节选