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。
Success is not an entitlement. It has to be earned.
The best way to get a project done faster is to start sooner.
安全不仅仅是一项政策,它是必须融入我们每项操作的文化。