There is no such thing as a special category of science called applied science; there is science and its applications, which are related to one another as the fruit is related to the tree that has borne it.
有效市场理论在不严重低效的市场中是正确的，但我们寻找的是短期、微小的异常现象。
Education is not just about building schools, but about ensuring children actually learn.