我想告诉你们关于人类的过去、现在和未来的事情，所以让我们从一些问题入手。

I want to tell you about the past, present and future of the human population, so let's start with a few problems.

youdao

我想告诉你们有关人口数量的过去、现在和未来。那么让我们从一些问题入手。

I want to tell you about the past, present and future of the human population. So let's start with a few problems.

youdao

克里斯托夫和其他人总是把他们想象中的我们现在或过去的生活浪漫化，我不会拿它去换其他的东西。

Kristof and others constantly romanticize the life they imagine we live, or used to live, and I wouldn't trade it for any other.

youdao

So it's like a tie between the old and the new and I think the CD-ROM does that clop and CD old pictures, the festival dress.

这就像过去和现在之间的纽带,我认为之前所说的光盘能让,我们聆听到木屐的声音，唱片的老照片能让我们欣赏到和服。

麻省理工公开课 - 媒体、教育、市场课程节选