Understanding the real lives of the poor is the first step toward designing effective policies to help them.
写文章必须追溯六经的源头,并参考诸子百家和史书的写法。
真正的投资者欢迎波动性……一个剧烈波动的市场意味着不合理的低价将周期性地附着于稳健的企业。
I'm not a person who likes to be in the background.
The essence of mathematics lies in its freedom.