You're given coupon payments every six months and then, when the bond matures,you get your money back.

每六个月你会收到一次利息,当债券到期,你可以赎回本金

耶鲁公开课 - 金融市场课程节选

So we're talking about an experiment when you generate-- Each experiment generates both an x and a y observation and we know when x is high, y also tends to be high, or whether it's the other way around.

这里说的是由试验产生的,每一次试验可以获得一组x与y的观察值,当x值大的时候,y值可能也大,或者相反

耶鲁公开课 - 金融市场课程节选