The only way to get through life is to laugh your way through it. You either have to laugh or cry. I prefer to laugh. Crying gives me a headache.
度过生活的唯一方法就是笑着度过它。你要么笑,要么哭。我更喜欢笑。哭会让我头疼。
Assume life will be really tough, and then ask if you can handle it.If the answer is yes, you've won.
理解布莱克-斯科尔斯模型的关键在于认识到它是基于对冲以消除风险的理念。