在网络世界里，信任是最重要的。

In the network world, trust is the most important currency.

youdao

在网络世界里，这些风险被调整了。

In the online world, these risks are modulated, both amplified and attenuated.

youdao

实际上，不久之前人们是根本无法在网络世界里交流和联系的。(注意！)

In fact, there was a time when you were never connected to the online world (not that long ago) and (gasp!) you survived.

youdao

But for those of you who decide to go on in computer science realize there is a whole interesting world that uses details like these in the world of networking, in hardware, to actually solve some real world problems.

而对于你们中想要在计算机科学,方面有所发展的人，将会遇到一个非常有趣的领域,在那个世界里，会有许多像网络世界，硬件界,这样或那样的小细节，但又往往是这些小细节才解决了许多真实世界里的问题。

哈佛公开课 - 计算机科学课程节选