So, you could buy apartment buildings for way less than it would cost to replace them.

所以，你可以买公寓，这比你自己花钱重建房屋,要省钱。

耶鲁公开课 - 金融市场课程节选

I'll replace the ideal gas law for those two T's.

用理想气体定律代进去。

麻省理工公开课 - 热力学与动力学课程节选

They intended to be a new model for the open charity formation and it's not intended to replace the real education that happens in the classroom that is the interaction between the faculty and students and between the students.

它致力于成为,慈善性开放信息的新榜样,并且不意味着取代传统教学,传统教学在教室里,老师和学生以及,学生之间都有互动。

麻省理工公开课 - 媒体、教育、市场课程节选

How do I rea-- replace the expression FOR t of n minus 1? Substitute it in again.

我们怎么来代替t这个表达式呢？,再来替换掉它，t等于。

麻省理工公开课 - 计算机科学及编程导论课程节选

This is only true for an ideal gas. Since it's true for an ideal gas, then we can go ahead and replace this with Cv, and then we have Cp=Cv+R Cp with Cv plus R, which is what we were after.

常犯的一个错误，这只对理想气体成立,因为对理想气体成立,所以我们可以继续，用Cv代替,这项，最后得到。

麻省理工公开课 - 热力学与动力学课程节选