The strategic goals are the following: course six we want to help prepare freshmen and sophomores who are interested in majoring in course six to get an easy entry into the department, especially for those students who don't have a lot of prior programming experience.

以下是关键的目标：,我们希望帮助对于通过主修,从而进入本系这条捷径,非常感兴趣的大一大二生，尤其是那些,以前没有编程经验的人。

麻省理工公开课 - 计算机科学及编程导论课程节选

There are people for whom this is true.

这条定律对于某些人很适用

耶鲁公开课 - 基础物理课程节选

If you have a real gas and you write du is Cv dT and your path is not a constant volume path, then you are making a mistake. But for an ideal gas, you can always write this. And this turns out to be very useful to remember.

对于真实气体，如果其变化过程,不是恒容的，du=Cv*dT就不成立，但对于理想气体,这条规则永远成立,这一点非常有用，请记住。

麻省理工公开课 - 热力学与动力学课程节选

I don't know how well you can see it in this figure here, is the slope of a straight line connecting these two points, and as the points come closer and closer, the straight line would become tangent to the curve.

我不清楚你们对于这个图像的理解,这条连接两点的斜线,随着两点距离逐渐缩小,两点连线会变成曲线的切线

耶鲁公开课 - 基础物理课程节选