"We'll need to work together on issues that are in the national interest on which there is no need to compete or permanently bicker,".

VOA: standard.2009.04.25

No, we call that work positive work. All right, so that means we need to put a negative sign right here, by convention.

历史上有过不同的习惯，这里我们规定,如果环境对系统做功。

麻省理工公开课 - 热力学与动力学课程节选

just like you can work as in finance no matter what, you don't need to go to college,

就好像你想在金融领域工作，你不需要什么学历，你不需要去大学，

想成为律师的话 - SpeakingMax英语口语达人