杰作不是完美的，而是完全诚实的。

I know that self-promotion happens a lot and it is not a bad thing. But I do not regard it as something positive.

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:

哭着送去,哭着回来,回来后要努力于衣食之物的生产,资助祭祀,并用来孝顺双亲。

We don't have to sacrifice taste for sustainability—we can have both.