Fast forward mid-semester when we talk about cryptography and scrambling information, we need the ability to express ourselves in words, not just numbers, and we have that already.

回想一下期中的时候，我们讨论过密码学,和一些不规则信息,我们需要话语来表达自己，而不是数字，其实我们已经有了。

哈佛公开课 - 计算机科学课程节选

I hope to work for the National Security Agency doing codes and stuff.

我希望能够在国家安全局工作，和密码打交道。

理想是当密码专家 - SpeakingMax英语口语达人

Or a lot of the times when a website is compromised and you're able to steal someone's usernames and passwords, very often are the result of simple little things like this.

很多时候，当要访问的网站被人破坏了,你就有机会窃取别人的账号,和密码，正是因为这样或那样的小疏忽存在,才会导致这种事情频频发生。

哈佛公开课 - 计算机科学课程节选

So what you'll see in problem set 0 or problem set 1 is that you'll soon have access to what we call the CS50 cloud which is a bunch of servers that live on campus and on which you will all have a username and password.

所以你在习题集0或习题集1上看到的,访问“CS50云“,就是一些校园服务器,你可以注册一个用户名和密码。

哈佛公开课 - 计算机科学课程节选

Right. Because all of us have probably bought something facebook on Amazon.com or the like, all of us have probably logged into Facebook.com, passing your credit card information over the Internet, passing your username and password over the Internet, and as you probably know, as a casual user, https denotes secure.

对的，因为我们都可能在亚马逊之类的网站上买过东西,我们都可能上过,在网络上传送你的信用卡信息,在网络上传送你的用户名和密码,你可能知道，作为一个非正式的用户，https保护安全。

哈佛公开课 - 计算机科学课程节选