So, you might ask, this looks pretty simple up here, right, just with that h hat.

所以，你们可能会问，这个看起来太简单了，对，仅仅是。

麻省理工公开课 - 化学原理课程节选

We started out with just a simple idea: that you don't want to put all your eggs in one basket and if you had a lot of independent stocks you would want to just weight them equally.

我们从一个简单的想法开始：,你不想把所有的鸡蛋放入一个篮子里,如果你有许多互相独立的股票,你给它们相同的权重。

耶鲁公开课 - 金融市场课程节选

So, what happens here is this opening phrase, that we'll call A-- musicians like to label stuff just with alphabetical labels to keep it simple.

那么,首句这里,我们称作A,音乐家喜欢用字母,来做标记,这样比较简单

耶鲁公开课 - 聆听音乐课程节选