投资于更清洁的煤炭技术就是投资于我们星球的未来。

I'm the reason your sky won't be blue.

词语就像钥匙，选对了就能打开任何一扇门。

The Moving Finger writes; and, having writ, Moves on: nor all thy Piety nor Wit Shall lure it back to cancel half a Line, Nor all thy Tears wash out a Word of it.

The causal framework is the foundation of scientific reasoning.

Customer needs are our direction, and customer satisfaction is our goal.