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。
"Time is not a line but a dimension, like the dimensions of space."
出自先秦《荀子·性恶》引古语。不知儿子的为人，看看他的朋友就清楚了；不知国君是否贤明，看看他左右的大臣是什么德行就知道了。
"The past is a foreign country; they do things differently there."
Purchase the most recent tourist guidebook to your home town or region. You’ll learn a lot by playing the tourist once a year.
You use a glass mirror to see your face; you use works of art to see your soul.
Collaboration across industries is key to solving complex energy problems.