—— 请按键盘 空白键 开始游戏 ——

体无定用,惟变是用。用无定体,惟化是体。
事物的变化是其本质特征,适应变化是智慧。
The essence of investment management is the management of risks, not the management of returns.
预测粮食未来的最好方法就是去创造它。
The arithmetic of L-functions is a key to unlocking the secrets of number theory.