Well, one of the lessons of this course is we have a wonderful theory, but we don't manage it well, mostly.

我们在这门课里可以学到的一点是,我们拥有很好的理论，但在实践中却总是不能应用得当。

耶鲁公开课 - 金融市场课程节选

We copy the good ideas and in the process we adjust them and make them a little bit better.

我们不断效仿好的理论,并在实践中不断调整它们,将它们改进的更好。

耶鲁公开课 - 金融市场课程节选

And so you'll learn over time both by seeing and by doing that there are generally some good ways, some okay ways, and some bad ways of actually writing code.

久而久之，你们将通过看和实践来学习到,这里通常有很好的方法，还行的方法，很烂的方法来编写代码。

哈佛公开课 - 计算机科学课程节选