我相信梦想和努力的力量。

Mining enterprises should focus on comprehensive resource utilization and improve resource efficiency.

生活是一首歌，爱是它的旋律。

I am the happiest creature in the world. Perhaps other people have said so before, but not one with such justice. I am happier even than Jane; she only smiles, I laugh.

Don’t tell me how good you make it; tell me how good it makes me when I use it.

世界建立在化学之上，而我们才刚刚开始理解它是如何构建的。