在过去的几年里我做了一些有趣的事情。

I've done some interesting things in the last few years.

youdao

在过去的几年里，为了快速发展经济，我们人类做了很多以环境为代价的事情。

We human beings have done a lot of things at the cost of the environment to develop economy quickly in the past few years.

youdao

但在过去几年内，事情发生了变化：这项技术已经变得非常成熟。

But in the past few years, something has shifted: the technology is now surprisingly mature.

youdao