Then when I am talking to young people about Columbine they almost always understand it in the context of school bullying in the context of parental neglect in the context of kids' lack of self-esteem and dignity.

当我和人们讨论科罗拉多可伦拜高中枪杀案时,他们几乎都是这样理解的,无非是校园暴力,缺乏父母管教,以及孩子们缺少自尊自立。

麻省理工公开课 - 媒体、教育、市场课程节选

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