Efficiency without ethics is short-term success.
The idea that a bell rings to signal when investors should get into or out of the stock market is simply not credible.
理论地理学是科学的女王,因为它独力处理事物在空间中的排列。
听我说话就像一场头脑旅行,因为我只给你那些你和朋友在客厅里开玩笑的东西。