At that time, both gold and silver were used to support the value of the American dollar.

VOA: special.2010.06.24

Because if anything worked, there would be a solution that would have some value over time and people wouldn't have to be seeking out the newest miracle, getting every little thing they see on TV and the like, and I'll show you some amusing examples of those in the next class.

如果真有用,那就找到了长期有效的解决方法,人们就不会再三地寻找方法了,只要看到电视上有什么小妙招就要尝试,下堂课我会举几个有趣的例子

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

I'm not sure how much this gonna be covered in the course, but I'm very interested in the way films are recieved by audience and the shock value that film can have be acceptable in film and through time how it changes.

我不知道这门课,会多大程度上和这个话题相关，但是我对此,电影被观众接受的方式和带给观众的冲击,和电影是如何随着时间不断变化的,很感兴趣。

麻省理工公开课 - 电影哲学课程节选

Then go to the x equation and demand that this be equal to the desired x value and find the time.

然后列出关于 x 的方程,令这个式子等于给定的 x,并求出时间

耶鲁公开课 - 基础物理课程节选

And so this time when you hand it back, this value, I store it in -- we'll say X, and now we actually have retained the value.

这次当你拿回这个值时，我把它存储在X中，现在我们把这个值保存了。

哈佛公开课 - 计算机科学课程节选

if I say a particle's location is i times t^2 plus j times 9t^3, for every value of time, you can put the numbers in and you can find the velocity by just taking derivatives.

一个质点的位置,i ? t^2 + j ? 9t^3,在每一个时间点,你可以把数值代入,并通过求导得到速度

耶鲁公开课 - 基础物理课程节选