世界级大师与普通演讲者的最大区别在于，他们具有以真诚而令人兴奋的方式与听众进行沟通的能力。

The biggest item that separatesmediocre presenters from world class ones is the ability to connect with anaudience in an honest and exciting way.

youdao

我曾经像你们2006级的毕业生一样，充满着梦想和希望。

I was once like you, Class of 2006, all full of ideas and hope.

youdao

谢谢你！感谢徐校长，感谢所有的老师，最重要的是，感谢2019级的同学们。如果我不能把我的演讲讲得精彩，我至少会试着把它讲得简短些。

Thank you! Thank you for Principal Xu, all the teachers and most importantly, the class of 2019. If I can't make my speech fantastic, I will at least try to make it short.

youdao

OK. What would you guess the order of growth here is? Yeah. Why? Good. Exactly. Right?

如果没听到答案的同学,答案是对数级的？

麻省理工公开课 - 计算机科学及编程导论课程节选

A log algorithm typically is one where you cut the size of the problem down by some multiplicative factor.

对数级复杂度的算法就是指,通过一系列常量级步数的操作,可以将问题的规模。

麻省理工公开课 - 计算机科学及编程导论课程节选

So will we be using the internet for video on-demand, will that be the killer app? Will millions of people wide watch this video right when they want to watch it?

所以我们会使用互联网实现随需视频么，那会成为杀手级应用么？会有数百万人,就在他们想看的时候看到视频么？

麻省理工公开课 - 媒体、教育、市场课程节选