They are using radars and other equipment to learn more about how, why and where tornadoes form.

VOA: special.2009.06.09

The notion of recipes, the notion of computation, why you want to do this, what you're going to learn.

秘诀和计算的一些概念啊，以及我们为什么要学这些知识，和要学习的具体内容。

麻省理工公开课 - 计算机科学及编程导论课程节选

and you know like, "Why do you want to learn?" "So you can make money."

然后你可以问“为什么想学习？”，“可以赚钱”。

记忆深刻的研究 - SpeakingMax英语口语达人

And the reason why there is a final paper because the best way which is like a presentation, because the best way to learn is to teach.

为什么写期末论文，是因为像演示那样的最好的方式，因为最好的学习方式是教。

哈佛公开课 - 幸福课课程节选