"Life doesn’t have to be so planned. Just roll with it and let it happen."
To create is to confront the chaos of existence and give it form.
当人们拥有某物时,往往会给予更高的评价。
布莱克-斯科尔斯模型的美妙之处在于它将期权定价问题简化为估计几个关键参数,尤其是波动率。