And it's always going to come down to calculating the appropriate free energy, and how it changes in the process.

这总是涉及到计算,适当的自由能，以及这些自由能在过程中如何变化。

麻省理工公开课 - 热力学与动力学课程节选

so anything that's free is always good, so usually outdoors stuff.

任何免费的东西我认为都是不错的，所以我经常去户外走走。

对政治很感兴趣 - SpeakingMax英语口语达人

The idea that if labor is left free then that common man always has a chance.

这个观点表明如果劳动是自由的,那么平民始终有希望

耶鲁公开课 - 美国内战与重建课程节选

So I always felt free, in fact, I felt encouraged when I had a disagreement to step forward and make my case.

所以我总觉得很自由，事实上，我觉得经常被鼓励提出不同意见,站出来，陈述自己的观点。

普林斯顿公开课 - 国际座谈会课程节选