做数学的过程比结果更重要。
The process of doing mathematics is more important than the result.
The spread of liberal democracy and the integration of the world economy have created a situation in which the major powers are no longer willing to risk war with one another.
图画书就像是可以捧在手心里的小艺术品。
I'm not afraid of the dark; I'm afraid of what's in it.