他们也许想知道需要投入多久或者成本是多少。

They may want to know how long the effort will take or how much it will cost.

youdao

许多人不知道他们房贷的条款或者是他们所要还的利率是多少。

Many people don't know the terms of their mortgage or the interest rate they're paying.

youdao

对于他们，关键的决定是：何时打算退休，希望储蓄多少，最终收入的最低比例，或者说替代率是多少，以及他们希望的目标是什么。

For them the key decisions are: when do they want to retire, how much do they want to save, and what minimum proportion of their final salary, or "replacement rate", do they wish to target?

youdao

If so,how many chords are involved in this chord change and are they changing at a regular or irregular rate?

是否有和弦的转变，这次和弦转变一共用了多少和弦,他们的变化率是规则还是不规则的？

耶鲁公开课 - 聆听音乐课程节选

When you first bought the house they told you what the mortgage payment was and they're fixing that forever, well for thirty years.

最初你买这套房子的时候,他们已经告诉你每月偿还额是多少,在未来30年里这是固定的

耶鲁公开课 - 金融市场课程节选

This is very important, because when you buy a rope, they will tell you how much tension it can take before it'll snap.

这非常重要,因为你去买绳子,他们会告诉你,绳子能承受的最大拉力是多少

耶鲁公开课 - 基础物理课程节选