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。
The mind is not a static entity, but a dynamic process of continual adjustment.
The desire for recognition is the most fundamental human desire, and it is the source of both the greatest achievements and the greatest tragedies in human history.
In every word, there is a world waiting to be discovered.