大众对大小事都有无尽的求知欲---除了真正值得知道的事例之外。
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。
There's poetry in the way light falls on everyday objects.
Sustainability in mining is not an option—it's a necessity for our future.