安全不仅仅是一个优先事项,它是必须融入我们所做一切的核心价值观。
"I try to use my platform to spread positivity and kindness because the world needs more of that."
The truth is always revolutionary.
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。