使工具发挥最大效用的秘诀，就是你要了解它是如何工作的，然后负责任地去运用。

The trick to getting the most out of any tool is to know how it works and to use it responsibly.

youdao

你看，通过了解语言是如何对人际交往发挥作用，你就能改变你不喜欢的交往方式。

So you see, by understanding how language works within relationships, you can change patterns you're not happy with.

youdao

你可以把旧手机卖了换钱，但是让它们更好的发挥余热如何？

You could trade your old cell phone for cash, but how about putting it to better use?

youdao

The Asians were ahead and the end of the isolation of Greece made possible communication, and it allowed this kind of learning and so you got this picture of some people learning how to do these things very, very well.

亚洲人领先于世,在希腊分裂后期,这种知识的交流成为可能,同时使学习这种技能成为可能,所以你能看到人们学习,如何将农作技术发挥到最好的图景

耶鲁公开课 - 古希腊历史简介课程节选