How Brazilians finally decide on the most economically and environmentally sensible use of the Amazon forest will have a lot to do with agreements that emerge from the climate negotiations in Copenhagen.

VOA: standard.2009.12.17

But the point is that how is Facebook, how is Amazon possibly going to communicate securely with you or your laptop using cryptology if you both have to know the same secrets.

关键是Facebook是怎么样，亚马逊是怎么样安全地和你或你的计算机,使用加密技术进行交流的，如果你们两个都,知道那个同样的密钥。

哈佛公开课 - 计算机科学课程节选

But how many of you have ever called Facebook up or called Amazon up and kind of whispered into their ear I'm going to encrypt this with the number 13.

但是有谁听过Facebook或者亚马逊,稍微低声地告诉他们,我将用密钥13加密这个消息？

哈佛公开课 - 计算机科学课程节选