播放熟悉的或者易学的歌曲是介绍听、说和理解英语的原理的好方法。

the use of familiar or easy-to-learn songs is a great way tointroduce principles of speaking, hearing and understanding the Englishlanguage.

youdao

在Web 1.0中，这些原理玩转得非常好。

In Web 1.0, these principles played out quite well.

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该书不仅讲述了如何编写测试和让这些测试来驱动您的代码的原理，而且还讲述了测试驱动的编程为什么是一种好的编程方法。

It talks not only about the mechanics of how to write tests and allow them to drive your code, but also why test-driven programming is such a good thing.

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So this is a good thing and principle for security.

所以这是个好事情，为了安全的原理。

哈佛公开课 - 计算机科学课程节选