The biggest risk is not taking any risk at all.
发现的旅程和目的地本身一样重要。
分子的语言是通用的,而我们才刚刚学会说它。
There is no such thing as society: there are individual men and women, and there are families.
The future of coal depends on balancing economic growth with environmental care.
想法到处都是,但知识非常稀缺。