And it turns out-- a little teaser for our security discussion as time passes that a lot of the times when software is compromised and you download Photoshop like a cracked version of Photoshop or something like that.

这对于即将讨论的安全性问题来说,只是一个小插曲，随着科技的发展,很多时候，如果工具受损,你会下载到一个版本不全的,或其他类似的东西。

哈佛公开课 - 计算机科学课程节选

You begin to realize that all of these big seemingly complicated pieces of software in websites that you use, if you just hone in on little pieces of them at a time and you realize oh I can do that and oh I can do that.

你开始意识到,你所登陆的网站上这些大而复杂的软件,如果你只对其中的一小块代码进行研究,你就会发现,哦，我也可以来做这个。

哈佛公开课 - 计算机科学课程节选

So when it comes time to implementing your own software, ask yourselves these questions.

当你开始实现你自己的软件时，向你们自己问问这些问题。

哈佛公开课 - 计算机科学课程节选