音乐让我明白,坚持就是胜利。
Music taught me that persistence is victory.
数学家的工作永无止境;总有更多的问题需要解决。
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:
预测未来的最好方法就是创造未来。