So when I expand this gas adiabatically and it cools down, why do you think it might cool down?

现在我们知道了气体绝热膨胀时,温度会下载，为什么会降温？

麻省理工公开课 - 热力学与动力学课程节选

Why do you think Beverly Hills is so popular and famous?

你觉得为什么比佛利山庄这么热门这么有名呢？

演艺界起源地 - SpeakingMax英语口语达人

So you really want to think about why we're modeling, what do we get from this exercise?

你们要多问问自己为什么要建模,我们能从这些模型中学到些什么

耶鲁公开课 - 博弈论课程节选

Why do you think Americans are so enthusiastic about football?

你觉得为什么美国人这么喜欢橄榄球？

不喜欢洛杉矶的体育 - SpeakingMax英语口语达人