but once I could see that ethics and political philosophy really could make a difference to the way we live our lives.

但是当我看到，伦理学和政治哲学,的确可以改变我们的生活方式时。

普林斯顿公开课 - 人性课程节选

So that should make sense, because we saw no energy difference between the actual atoms and the molecules.

这很好理解，因为我们看到,原子和分子的能量差为零。

麻省理工公开课 - 化学原理课程节选

In the real world, no one's going to measure it instantaneously, but we can make the difference as small as we like.

在现实生活中,没人能一瞬间测出来,但我们可以使差值越来越小

耶鲁公开课 - 基础物理课程节选

And I think through philosophy, we can think about those issues and values in a deep way that can help us and others to find the way in which we can make a difference to the world.

通过哲学，我们能够进一步思考一些问题和价值观,它们能够帮助我们和他人,找到一种方式,来改变世界。

普林斯顿公开课 - 人性课程节选

Now the question is "how does it expand" and "why is it so difficult for us to understand, accept, assimilate and live according to the fact that we can make a difference, if we understand that what we need to understand is how change happens.

问题是“它如何扩大“,以及为什么我们难以理解，我们能够做出改变这个事实,并接受，被同化以及据此生活，如果我们能了解我们需要理解的,是改变如何发生。

哈佛公开课 - 幸福课课程节选

And when we're looking at the probability density graphs, it doesn't make a difference, it's okay, It has no meaning for our actual plot there, because we're squaring it, so it doesn't matter whether it's negative or positive, all that matters is the magnitude.

它的概率密度图的时候,两者没什么区别，这是可以的，它对我们画这个图，没有什么意义,因为我们是取平方，所以它的正负，无所谓，只和幅值有关，但当我们说到。

麻省理工公开课 - 化学原理课程节选

So that doesn't make a difference for us when we're talking about neutral atoms, 4s because we would fill up the 4 s first, because that's lower in energy until we fill it, and then we just keep going with the d orbitals.

所以那对我们来说没什么不同,所以当我们讨论中性原子时，因为我们会首先填充，因为在我们填充它之前它的能量都较低，然后我们继续填充d轨道。

麻省理工公开课 - 化学原理课程节选