We don't have time to review that, but let's go on to say the following, that what Musorgsky knew there was a very basic principle of acoustics, and what is that principle?

我们没时间回顾,我们继续讲接下来的内容,穆索尔斯基知道,一个基本的声学原理,是什么原理呢

耶鲁公开课 - 聆听音乐课程节选

That's the basic principle of portfolio diversification.

这就是投资分散化的基本原则。

耶鲁公开课 - 金融市场课程节选

With this basic principle of utility on hand, let's begin to test it and to examine it by turning to another case, another story, but this time, not a hypothetical story, a real life story, the case of the Queen versus Dudley and Stevens.

有了这条最基本的功利原则，让我们检验一下这条原则,是否适用于另一案例，而这一次，就不再是假定的事件了，是个真实的故事，女王诉达德利和斯蒂芬斯案。

耶鲁公开课 - 公正课程节选

That's the first very basic principle.

这就是第一条最基本的原则。

耶鲁公开课 - 金融市场课程节选