They are only a consequence of the president making a judgment that it is in the best interest of the United States of America our national security interests to talk with the Iranian regime,"

VOA: standard.2009.06.14

I want to talk about Social Security as a risk management technique that developed in the nineteenth century and it developed in Germany.

我想谈谈社会保障,作为19世纪出现的,一种风险管理技巧,它最早出现在德国。

耶鲁公开课 - 金融市场课程节选

But in society today, and we'll talk a bit about security topics -- and such throughout the course, for cryptography -- for encrypting things like your credit card information and bank accounts -- you don't use 32 bits, you don't use 64 bits, you generally use 1024 bits, 4,048 bits.

但在当今的社会上，我们将讨论一点安全方面的知识,贯穿整个课程，密码学-,加密一些像信用卡信息,银行账号之类的东西--你不能用32位，你也不能用64位，你通常要使用1024位，4048位。

哈佛公开课 - 计算机科学课程节选