因为，世界正在变化，旧的时代正在终结。

For the world is changing. The old era is ending.

youdao

好计划！这个世界正在变化，但不管怎么变化都不会有免费的午餐。我认为每月免费提供20篇文章是很恰当的。

Great plan! The world is changing, but still there are no free rides. I think 20 articles a month free is a fair number.

youdao

越来越多的证据表明，响应气候的变化，世界许多地区的滑坡发生的频率和程度正在发生变化。

There is mounting evidence that the frequency and magnitude of landsliding is changing in many parts of the world in response to climate change.

youdao