我们需要确保互联网仍然是一个创新和自由表达的平台。
Sometimes you have to play a long time to be able to play like yourself.
"The beauty of literature is that it allows us to live a thousand lives in the span of one."
理解布莱克-斯科尔斯模型的关键在于认识到它是基于创建无风险对冲的理念。