Nothing is free. So,the reason I make that point is, you cannot ask local elected officials to raise teacher salaries and cut taxes and balance the budget and increase roads.

VOA: standard.2009.03.20

But one reason why they ask for money is if you don't pay for therapy you don't think it has any value.

但他们收钱的其中一个原因是,不用付钱的心理治疗，你会觉得它没什么用。

耶鲁公开课 - 心理学导论课程节选

In kinematics, you don't ask the reason behind anything.

在运动学中,我们不关心现象背后的原因

耶鲁公开课 - 基础物理课程节选

the first reason that we gave and we are just finishing up is because the question that we ask, whether it's the research questions that we ask, or the questions that we ask of ourselves, or our partners,matter.

我们之前讨论完的第一个原因是,我们提出的问题很重要，无论它是不是我们的研究问题，或我们为自己所问的，或为我们的伴侣问的。

哈佛公开课 - 幸福课课程节选