政客们开始使用令人恐惧的R字头词：recession（意为：经济衰退）。

Politicians began to use the dreaded R-word: recession.

《柯林斯英汉双解大词典》

更经济的方法是使用一个符号来表达一个音节，而不是一个完整的单词。

A more economical approach was to use a sign to express not a whole word but a single syllable.

youdao

在教科书中，图形作为学科语言的一部分使用，如数学或经济学中，或作为学习辅助工具使用。

Graphics are used in textbooks as part of the language of the discipline, as in math or economics, or as study aids.

youdao

If you're going into any science that uses mathematics, chemistry, or engineering, or even economics -- you should find the contents of that useful.

如果你要进入任何要使用数学的理工科专业,比如化学,工程,甚至是经济学,你会发现书上的内容很有用

耶鲁公开课 - 基础物理课程节选

And we did a third thing, which we tried to match this up to the economic intuition about monopoly, and perfect competition, and demand curves, and so on.

我们使用的第三个方法,我们尝试将它和,经济直觉联系起来,如垄断,完全竞争和需求曲线等等

耶鲁公开课 - 博弈论课程节选