计算机科学的美在于它能够建模并解决现实世界的问题。

I don’t think of myself as a writer who happens to be black. I think of myself as a black writer.

不要批评你不理解的东西。

Economics is the study of how societies use scarce resources to produce valuable goods and services and distribute them among different individuals. If we think about the definitions, we find two key ideas that run through all of economics:

——回忆黄花岗起义