唯一确定的是不确定性。

He who refuses to do arithmetic is doomed to talk nonsense.

To understand the world, you must first understand a place like Ireland.

The sands in you way beg for your song and your movement,dancing water.Will you carry the burden of their lameness?

未来属于那些在可能性变得明显之前就能看到它们的人。

在我们迈向低碳未来的过程中，天然气将在能源结构中发挥关键作用。