The true cost of coal isn't just in its price, but in how we manage its consequences.

我会设身处地地为站在我面前的人着想。

The very reason I write is so that I might not sleepwalk through my entire life.

If everything was perfect, you would never learn and you would never grow.

The world doesn't have to be like this. Things can be different.

无人机的应用将无处不在。