In 1889, the German Government decided to use the postal service as an information network to create Social Security.

889年，德国政府决定将邮政用作,建立的社会保障的信息网络。

耶鲁公开课 - 金融市场课程节选

That's an example; you see how information technology created a Social Security system.

这个例子中你们可以看出信息技术,是如何创造出社会保障体系的。

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

This invention of social security is well over one hundred years old, but I think that, because of the rapid advance of information technology, we're going to see a lot more progress.

社会保障的这种发明,已经经过了一百多年，但我觉得,由于信息技术的飞速发展，我们将会看到许多的进步。

耶鲁公开课 - 金融市场课程节选

I'm not going to stress public finance so much in this course but it seems-- I'm going to give the example of nineteenth century information technology and the nineteenth century invention of social security.

在这课上我不想过多强调,财政的重要性-,我将给大家举个例子,关于19世纪的信息技术,和19世纪社会保障的创新。

耶鲁公开课 - 金融市场课程节选