Well a number of you have spent this past week playing with this particular tool which is a project the course has been working on for some time in an effort to make it easier and more social to actually shop for courses.

在过去的一周里,已经有一部分人开始使用这种特殊的工具了,这门课程一直在致力于这一工具的开发,目的是为了让课程变的更简单,选课更人性化。

哈佛公开课 - 计算机科学课程节选

Debt is the simplest of financial instruments.

债券是金融工具中最为简单的一种

耶鲁公开课 - 金融市场课程节选

> So this is just a dumb text editor called Nano, dumb in that it's very simple which is nice because it eliminates a lot of the complexities of learning a new tool when really all you wanna do is solve an actual problem.

这是NANO文本编辑器，它很简单，可以消除因学习这个新工具,而带来的许多复杂问题,你真正需要做的就是解决一个实际问题。

哈佛公开课 - 计算机科学课程节选