"The library is inhabited by spirits that come out of the pages at night."
图书馆里栖息着夜晚从书页中走出的幽灵。
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。
Not what we have, but what we enjoy, constitutes our abundance.
债券市场是市场情绪的最终衡量标准。