So, if you want to attack urban air quality, this is probably moving in the wrong direction, OK?

所以如果你想攻击都市的空气质量，这可能是一个错误的方向，对吗？

麻省理工公开课 - 固态化学导论课程节选

So that would, this is actually a very common mistake and it makes sense if you think about it.

这的确是一个非常普遍的错误,如果你想想，这个是言之有理的。

哈佛公开课 - 计算机科学课程节选

Here's a twist, and if you found people who were less wonderful than you all, and asked them, you'd get a lot of people saying the curving thing.

这是错误的,如果你去找一些没有你们优秀的人,问他们这个问题,很多人会回答你沿着曲线飞出

耶鲁公开课 - 心理学导论课程节选

It's a common mistake to make if you forget that I've actually declared that variable up top, but wait a minute, I know any time that I use a variable, I have to declare it.

这是一个通常犯的错误，如果你忘了,之前在前面已经声明了这个变量，等等，我知道在任何时候,我使用一个变量，我必须声明它。

哈佛公开课 - 计算机科学课程节选