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