Commissioner Rehn says the Greek crisis serves as a lesson for the eurozone as a whole.

VOA: standard.2010.02.26

I think that's a great religious lesson for all of us.

我认为这对我们是极佳的一堂宗教课程。

普林斯顿公开课 - 人性课程节选

which I think is a great lesson for people because we're all kind of weird, you know.

我认为这对人们来说是很好的一课，因为我们都很怪异。

印象深刻的展示会 - SpeakingMax英语口语达人

"It is a lesson to many countries to open up and have far more cultural exchange and make that a priority for diplomacy.

VOA: special.2010.06.21

And the bigger lesson from that is that entropy, unlike energy u or enthalpy H, we could define an absolutely number for it.

热力学第三定律的一个更重要的推论是,与内能和自由焓不同，我们可以给上定义一个绝对的数值。

麻省理工公开课 - 热力学与动力学课程节选

Students are gathering for their after-school math lesson.

VOA: special.2011.04.21

The main lesson I want to get out of this for today, is a simpler lesson.

今天我们主要研究简单博弈

耶鲁公开课 - 博弈论课程节选

With schools closed for a holiday, some parents took the opportunity to teach their children a lesson in charity.

VOA: standard.2010.01.18

When a student says, you know, "Thanks for that lesson, I really enjoyed it," or you know, or something like that,

当一个学生说，“感谢那门课，我真的很喜欢它，”或者其他类似的话，

在公园相遇的老师 - SpeakingMax英语口语达人

U.N.Secretary General Ban Ki-moon told BBC television that was a painful lesson, and the United Nations will make changes for next month's vote.

VOA: standard.2009.10.21

We'll probably try and line up a quick calculus lesson, a special section for those people.

我可能会开一个微积分速成班,专为没学过微积分的人准备

耶鲁公开课 - 博弈论课程节选

So Lesson 2, and this lesson probably wouldn't be worth stating, if it wasn't for sort of a century of thought and economics that said the opposite.

结论二,若要不是经济学,近一个世纪来讲的是相反的道理,这个结论都不值得一提

耶鲁公开课 - 博弈论课程节选