Come on down. Your role has just been changed because you're not wearing any socks today.

过来吧，你的角色刚刚已经改变了,因为你今天没有穿袜子。

哈佛公开课 - 计算机科学课程节选

In fact, your socks don't even match.

实际上，你的袜子都不是成对的一双。

I didn't 课堂 - SpeakingMax英语口语达人

If you find a matching sock which you didn't so then else.

如果你找到相匹配的袜子就执行接下来的代码,否则就执行其他。

哈佛公开课 - 计算机科学课程节选

So the fact that line 9 did not match, if you find a matching sock which we didn't, that means we immediately jump to the else which is line 13 and so Philip now has to do what?

事实上，第九行我们没法匹配，如果你没找到匹配的袜子，这意味着我们立即跳转到第13行,所以现在Philip做什么？

哈佛公开课 - 计算机科学课程节选