When you buy a house, you borrow the money and you pay it back in fixed-- it would usually be monthly, but let's say annual payments.

当你买了一座房子,你贷了些款,然后你在一定的时间内偿还一部分,一般来说都是按月来算的,但是假设我们是按年支付的

耶鲁公开课 - 金融市场课程节选

We call them consols because, in the early 1700s, the British Government issued what they called consols or consolidated debt of the British Crown that paid a certain amount of pound sterling every six months forever.

我们称之为公债是因为早在十八世纪初,英国政府规定他们称之为英国皇家,统合公债或者联合公债,要求永久性地,每六个月支付一定数量的英镑

耶鲁公开课 - 金融市场课程节选

Now, another Wall Street tradition is that bonds pay a coupon; they pay C/2 every six months.

另一个华尔街的传统是,长期债券要支付票息,每六个月支付C/2

耶鲁公开课 - 金融市场课程节选

It's not forever because it terminates after 2T periods of six-month interval each.

债券不是永续的,券息每六个月为一期,共支付2T期

耶鲁公开课 - 金融市场课程节选