And all this is, is saying that when you take a mixed second derivative, it doesn't matter in which order you take the two derivatives.

麦克斯韦关系的本质是,当你考虑混合的二阶导数时，求导的顺序不影响最后的结果,现在，我们利用这些关系。

麻省理工公开课 - 热力学与动力学课程节选

I hear this as me being in the center and this oxcart starting-- It could start at either side. It doesn't matter.

我听着这首曲子,感觉像我正站在路中央,然后牛车动了,牛车可以从任何方向开动,这没有关系

耶鲁公开课 - 聆听音乐课程节选

It doesn't matter if we finish a little bit early, but I want to try to get this game at least started.

不管能不能提前下课了,还是先开始这个游戏吧

耶鲁公开课 - 博弈论课程节选

It doesn't matter if this doesn't matter.

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Right now, this doesn't matter, as Apple already ships the fastest G4s available.

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And for all the people out there who say, you know, this doesn't really matter, let's get on with spring training - it does matter, because it is affecting children.

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