If evolution wired us up simply to survive, then it's a puzzle why animals would relate positively to other animals.

如果进化仅让我们生存，那么这是个谜题,为什么动物之间确定有联系。

耶鲁公开课 - 心理学导论课程节选

So why don't we go to a clicker question here, and see if you can tell us this.

为什么我们不做,一个课题表决题呢，来看看你们是否能回答我。

麻省理工公开课 - 化学原理课程节选

As you're settling into your seats, why don't we take 10 more seconds on the clicker question here.

你们现在都坐在座位上了，为什么不用10多秒的时间,来做这道选择题呢？好的。

麻省理工公开课 - 化学原理课程节选

And Timlin who is about 91 miles per hour, Timlin So, why don't you take ten seconds to do that.

我们的继投手之一，能做到91公里每小时，one，of，our，relievers。,你们为什么不再花10秒钟,来做这道题？

麻省理工公开课 - 化学原理课程节选