而且我们也知道：天主使一切协助那些爱他的人，就是那些按他的旨意蒙召的人，获得益处。

And we know that to them that love God, all things work together unto good, to such as, according to his purpose, are called to be saints.

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而且他们也知道我们将确保全美国人得到他们需要并且应得的保护和机遇。

And they know that we're going to make sure all Americans get the protections and opportunities they need and deserve.

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而且我们也不知道那些目前处于困境之中正努力恢复其财产状况的消费者何时愿意重新开始消费。

And we do not know when beleaguered consumers, now trying to reconstitute their decimated wealth position, will feel comfortable in beginning to spend.

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And even though he could figure out that this wasn't possible, he still used this as a starting point, and what he did know was that these energy levels that were within hydrogen atom were quantized.

这是不可能的了,但他还是以此为出发点，他知道，氢原子的这些能级,是量子化的,而且他也知道，我们上节课所看到现象。

麻省理工公开课 - 化学原理课程节选

As we'll discuss in the class, and most of you probably know this, your body weight is a function of how many calories you take in and how many calories you burn off through metabolic processes but also physical activity.

我们将会讲到,而且你们中的大部分人可能也知道,你的体重随着卡路里的摄取量,和代谢中的消耗量而变化,还跟肢体活动有关

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

We also know how to figure out the energy of this orbital, and we know how to figure out the energy using this formula here, which was the binding energy, -Rh which is negative r h, we can plug it in because n equals 1, so over 1 squared, and the actual energy is here.

我们知道如何算出,这个轨道的能级，而且我们知道如何,用这个公式,算出能量，也即是结合能，等于，我们把n等于1代进来，所以除以1的平方，这就是能量。

麻省理工公开课 - 化学原理课程节选