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

There's some rule in the Constitution, but never mind, let's pretend that's not there.

宪法里面有规定,但没关系,我们假装没有那个规定

耶鲁公开课 - 博弈论课程节选