We must be vigilant in protecting the Internet from those who would misuse it.

下一个大事件往往始于一个被忽视的小想法。

There are other reasons --There are other reasons why it's perhaps harder now to feel calm than ever before. One of these, and it's paradoxical, because it's linked to something that's rather nice, is the hope we all have for our careers. Never before have expectations been so high about what human beings can achieve with their life span.

中心地的等级越高，其数量越少。

我们实现明天的唯一限制将是我们今天的怀疑。