最大的风险是不冒险。
The biggest risk is not taking any risk.
To understand mathematics is to speak the language of the universe.
技术在减少排放方面的作用再怎么强调也不为过。
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。