The key to understanding the Black-Scholes model is to recognize that it is based on the idea of creating a riskless hedge.
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。
真相很少是纯粹的，也从不简单。
语言不仅是交流的工具，更是一种存在方式。
"Cada livro é uma porta para um novo mundo, uma nova experiência."
"The beauty of cinema lies in its ability to make us feel less alone."