The boy would go say, we're offering to pay a discount rate of 2.51-- that was the formula and then anyone could do these calculations; they knew what it meant.

小男孩跑去说,我们愿意以2.51%的折扣率买入,公式就是那样用的,每个人都能算出价格,他们知道是什么意思

耶鲁公开课 - 金融市场课程节选

If your dealer quotes you a discount rate of 2.51%, you know how to convert that into the price and that's all that matters--all that really matters is the price you have to pay.

如果经销商告诉你折扣率是2.51%,你要知道如何转换成价格,真正和你有关系的,是你需要付多少钱

耶鲁公开课 - 金融市场课程节选