The other reason we teach it here, in addition to it being simple, is that it's incredibly useful.

这种思想的原因之一，另一个原因,是除了简单它还十分有用。

麻省理工公开课 - 计算机科学及编程导论课程节选

And I think frankly that is irresponsible to completely throw away this useful tool

所以，我认为，完全放弃这样一种有用的工具也是十分不负责任的。

需要动物实验吗？ - SpeakingMax英语口语达人

It turns out that cells receive signals or information from the rest of the body in a variety of ways, but there's one way in particular that's a very useful way for thinking about how cells receive most information.

研究证明,细胞内有很多,接收体内其他部位信号或者信息的方式,但有一种特定的方法十分有用,这种方法使细胞能最大程度地接受信息

耶鲁公开课 - 生物医学工程探索课程节选

And the reason I was able to do that and keep with what my original intentions were was to have a career that was the fulfilling, in terms of helping people and being engaged in science, is all of a sudden I realized, as chemists, we can think about better ways to build molecules that are important for making medications.

我能够这么做,并且能不和我原来的打算冲突,是因为我的职业很有意义，能帮助他人，又和科学相关,于是突然我意思到，作为一个化学家,我们可以思考出更好的办法,制造出在制药方面十分有用的分子。

麻省理工公开课 - 化学原理课程节选

And I'm going to do this because, as Professor Guttag noticed to me, students seem reluctant to do this.

另外一件十分有用的事情就是去模拟代码，我之所以要这么做，是因为Guttag教授，提醒过我，说学生们不是很情愿来做这个。

麻省理工公开课 - 计算机科学及编程导论课程节选

They are simply analytical tools. They're not inherently biased. They can be applied fairly to the text, and they're extraordinarily useful. It's just that some of the earlier practitioners of these methods did have ideological axes to grind, and we need to be aware of that.

所以它们只是分析工具，本身并不带有偏见,它们是十分有用的，完全可以运用于文本,但一些早期实施者并没有将其,融会贯通，我们必须意识到这一点。

耶鲁公开课 - 旧约导论课程节选