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。
Play is the language of childhood, and books should speak that language too.
我们相信,我们需要拥有并控制我们所制造产品背后的主要技术。
成功来自于深刻理解消费者需求。
Transparency builds trust—we owe it to our customers to show them our full environmental impact.