—— 请按键盘 空白键 开始游戏 ——

理解布莱克-斯科尔斯模型的关键在于认识到它是基于创建无风险对冲的理念。
我是那种能让你想扇你奶奶一巴掌的人。
The most powerful and enduring brands are built from the heart. They are real and sustainable. They are not manufactured by a marketing department.
Three things you need: The ability to not give up something till it works, the ability to give up something that does not work, and the trust in other people to help you distinguish between the two.