Coal will remain part of the energy mix, but it must be cleaner and more responsible.

我们都在互相陪伴着回家。

传记是最亲密的历史形式。

I start early and I stay late, day after day, year after year. It took me 17 years and 114 days to become an overnight success.

在计算机科学中追求知识是一次穿越无限思想景观的旅程。