—— 请按键盘 空白键 开始游戏 ——

成功投资的关键是控制你能控制的:成本、税收和行为。
A problem is in P if it can be solved quickly by a computer, and in NP if a solution can be verified quickly.
我不害怕脆弱。这是人性的一部分。
Every poem is a momentary stay against the confusion of the world.