在每一段友谊中都有一些相互让步。

In every friendship there has to be some give-and-take.

youdao

在阅读全文之前，先阅读每一段的首句可以帮助你快速掌握文章大意。

Reading the first sentence of each paragraph before you read the whole text helps you get the main idea quickly.

youdao

每一段都用一个字母标记了。

Each paragraph is marked with a letter.

youdao

This is a formula that applies to-- what if an asset pays a fixed amount every period and then stops?

这个公式应用于...,如果一份资产在每段时期都给与支付,然后突然停止了怎么办

耶鲁公开课 - 金融市场课程节选