"But I like the concept of knowing something in class but then going back and pressing pause or rewind and actually getting a deeper understand of it."

VOA: standard.2010.03.26

But then who would understand better than John Milton, Sr. the importance or the value of a long-term investment strategy?

但在那时谁又比弥尔顿先生更懂得,长远投资的重要性呢？

耶鲁公开课 - 弥尔顿课程节选

But like the bottom line, if you read a lot, then you'll start to understand.

如果你读得多了，你基本就能弄明白了。

英语为什么这么难呢？ - SpeakingMax英语口语达人

And actually, a question that might come up, I just explained, the sodium channel, you might say, well, how do potassium channels work then, because I can understand how you can filter something big out, but how do you filter out something small.

实际上，可能大家会问一个问题，我刚解释过，钠离子通道，你可以说，好吧，那么钾离子通道该如何起作用呢，因为我可以理解你是如何把大东西过滤掉的，但是你如何把小东西过滤掉呢？

麻省理工公开课 - 化学原理课程节选