Music is the universal language of mankind.
There is no absolute fairness in life, but it is relatively fair.
每一分都很重要,每一场比赛都很重要,每一项赛事都很重要。
So long as you have food in your mouth, you have solved all questions for the time being.
世界上充满了显而易见的事物,但没有人注意到它们。
对于未知事物,宁愿相信其存在,以免疏忽大意。
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。