算法的美在于它们能够用简单的步骤解决复杂的问题。
The beauty of algorithms lies in their ability to solve complex problems with simple steps.
当且仅当所有投资者都持有均值-方差有效的投资组合时,市场组合才是有效的。
I tend to think that the camera is much more reliable than the human eye.
金融危机不是资本主义的失败,而是资本主义内部发展起来的一系列特定制度和实践的失败。