I'm not a role model, I'm a cautionary tale.
The world is not a wish-granting factory.
布莱克-斯科尔斯模型的美妙之处在于它将期权定价问题简化为估计几个关键参数,尤其是波动率。
The key to success is to focus on goals, not obstacles.
在石油和天然气行业,技术是提高效率和减少环境影响的关键。