技术创新是解决能源安全、环境保护和经济发展三重困境的关键。

"Drawing is the honesty of the art. There is no possibility of cheating. It is either good or bad."

I know you've heard it a thousand times before. But it's true-hardwork pays off. If you want to be good, you have to practice, practice, practice.

某人的一小步就是人类的一大步。