So we gonna back up in that previous variation Let's just see if we can pick up what the missing third part here.

我们要回到刚才的变奏,看看我们能不能捕捉到,缺失的第三部分

耶鲁公开课 - 聆听音乐课程节选

And I want you to get used to this, that colon is important, it identifies the start, and then the set of indented things identify all the things at the same level, and when we reset back to the previous level, that's when we go back to where we were.

我希望大家熟悉这个结构，冒号很重要，它定义了开始的地方，然后缩进号代表着,同样一层的对象，当我们到了，不缩进的地方的时候，也就到了以前的状态。

麻省理工公开课 - 计算机科学及编程导论课程节选

Brown if we can go back to the previous slide.

布朗,让我们回到上一张幻灯片

耶鲁公开课 - 聆听音乐课程节选