You will never hear him speaking in terms of dependent or independent variables.

你会听到他说及从属,或独立变量之类的词汇。

耶鲁公开课 - 政治哲学导论课程节选

You can only use the state variables independent of history.

你只能使用不依赖于历史的,状态变量。

麻省理工公开课 - 热力学与动力学课程节选