I'm at a payphone trying to call home, all of my change I spent on you.
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几个可观察的变量。
We all have our own little secrets, our own little shames.
我将无法再写任何东西。我没有什么可说的了。