—— 请按键盘 空白键 开始游戏 ——

I think it's important to take risks and to challenge yourself. That's how you grow as a person.
我试图创造不评判的作品。
理解布莱克-斯科尔斯模型的关键在于认识到它是基于风险中性世界的概念,在这个世界中投资者对风险漠不关心。