The first is, that while God's promise is sure, the manner and the timing of its fulfillment is quite unpredictable.

首先是，上帝的承诺是确定无疑的，但实现的方法和时机却都是不可知的。

耶鲁公开课 - 旧约导论课程节选

These are long-term government bonds and I--now these are--since they're long-term, they have some uncertainty and variability to them.

这些是长期政府债券,由于它们是长期的，就存在不确定性和变化性。

耶鲁公开课 - 金融市场课程节选

This is the plus or minus, so the product of the uncertainty and the momentum.

是加或减，所以不确定度和动量的结果。

麻省理工公开课 - 固态化学导论课程节选

So for Stanley Fish, Milton is always reminding us of our fallen-ness as readers and we're continually being encouraged to submit all of our uncertainties and all of our doubts to the power of faith.

对费什来说，弥尔顿总是在提醒我们自身作为读者的,堕落，我们也不断的被激励着,屈从于自身的不确定和,对信仰的力量的犹疑。

耶鲁公开课 - 弥尔顿课程节选

In fact, we can never be fully free of the fear and of the anxiety and uncertainty of the state of nature, even within to some degree of fully constituted civil society.

实际上，我们完全可以,脱离恐惧焦虑和,对自然状态的不确定,甚至在一定程度上可以摆脱完全文明的社会。

耶鲁公开课 - 政治哲学导论课程节选

Or, if you're a pediatrician with a really small patient who will not sit still, it's because the laws of quantum mechanics don't allow an object to have a definite position and momentum.

或者你是个儿科医生,而你的小病人却总也坐不住,这是因为量子力学,不允许物体同时具有确定的位置和动量

耶鲁公开课 - 基础物理课程节选

Now I don't know, I may be different than other people, but I think organic chemistry is really interesting.

但我不确定,也许我和他人不太一样呢,我认为有机化学很有趣

耶鲁公开课 - 金融市场课程节选

Here's Bohr with Heisenberg, and we'll talk about Heisenberg's uncertainty principle.

这是波尔和海森堡，我们将讨论海森堡的不确定性原理。

麻省理工公开课 - 固态化学导论课程节选

Not just that, but the moral certainties that may have seemed distinct when we contrasted the ethereal heaven with the spotty and the imperfect nature of Satan and of the moon -those, too begin to seem fairly hazy.

不仅如此，其中看起来有所不同的,当我们对比天堂和撒旦与月亮的不完美时,其中道德的确定性,-那些令人模糊朦胧的事务，也开始崩塌。

耶鲁公开课 - 弥尔顿课程节选

The fact that you don't need a force for it to move forever at a given speed in a given direction, that's not obvious, because in daily life you don't see that.

对于物体不需要力的作用就能保持,确定的速度和方向持续运动这一事实,它并非显而易见,因为在日常生活中你看不到这种情况

耶鲁公开课 - 基础物理课程节选