We would know as a fact that George Washington threw a silver dollar across the Rappahannock River, except that it's impossible.

我们知道乔治华盛顿曾将一枚银币抛过,拉帕汉诺克河,但这明显是不可能的

耶鲁公开课 - 古希腊历史简介课程节选

Distorting price signals , making it impossible for the market to respond as it otherwise would have .

扭曲价格信息，让市场无法正常反应,无法在正常市场机制下运行。

斯坦福公开课 - 经济学课程节选

So you can see that we're starting to have a very complicated equation, and it turns out that it's mathematically impossible to even solve the exact Schrodinger equation as we move up to higher numbers of electrons.

所有你们可以看到我们得到了,一个非常复杂的方程，结果是它在数学上是,不可能解出确定的,薛定谔方程,当我们考虑更高的电子数目的时候。

麻省理工公开课 - 化学原理课程节选

But not seeing how it's possible is not the same thing as seeing that it's impossible.

但现阶段无法预见其可能,并不代表永远不可能

耶鲁公开课 - 死亡课程节选

You also do walking meditation, you can do mantra meditation, you can do all sorts of meditations that can be seen as a step towards maintaining the state of mindfulness at all points of your daily life, which is impossible unless you're a monk for a very long time.

还有行禅，曼怛罗冥想，你可以进行各种冥想修行,都可被视为正迈向,在日常生活的每时每刻,保持警醒，这几乎不可能实现,除非你是修行多年的僧侣。

普林斯顿公开课 - 人性课程节选

So if somebody comes along and says No,no,everybody dies alone, and dying as part of a joint undertaking is impossible, they're just saying something false.

如果有人说，不，大家都是孤独而死的，死亡作为共同行动是不可能的，他们就错了。

耶鲁公开课 - 死亡课程节选

That's only going to be true if dying as a joint undertaking is impossible.

这只能在共同死亡是不可能的条件下才是真的。

耶鲁公开课 - 死亡课程节选