But if you wanted to postpone it over seven years or so, time got a lot more expensive.

但如果你要延迟七年以上时间还款,时间价值就很昂贵了

耶鲁公开课 - 金融市场课程节选

In one of their most famous examples, they asked people the following question: Suppose you had bought expensive tickets to a concert, very expensive, you paid $200 for each ticket.

在他们其中一项极其著名的案例中，他们询问了人们如下的问题：,假设你已经买了几张昂贵的音乐会票，昂贵之极，每张票价值200美元。

耶鲁公开课 - 金融市场课程节选