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

这些作品通过我生活中的事件，将我的过去、现在和未来不断地联系在一起。

These writings formed a continuous connection between my past, present, and future through events in my life.

youdao