设计市场需要经济理论和实践直觉的结合。

The theory of Communism may be summed up in one sentence: Abolish all private property.

一只小狗只有在什么都不干的情况下才会受到表扬。

"Keep smiling, it makes people wonder what you've been up to."

Science is about pushing boundaries, both in knowledge and technology.