The development of the vital forms under the influence of external conditions is a subject of the highest importance.

The core of the energy revolution is cleanliness and efficiency, and the coal industry must actively adapt to this trend.

你不应该只是因为事物不同就做事情不同。他们需要更好。

每本书都是通往新世界、新体验的门户。

In mathematics, the journey is just as important as the destination.

一幅画应该是眼睛的盛宴，一首无言的诗歌。