资本资产定价模型(CAPM)是理解风险-回报权衡的有用工具,但它并非对现实的完美描述。
I think I'm afraid to be happy...because whenever I get too happy, something bad always happens.
I became a writer to escape the despair of the real world, and enter the world of hope I create with my imagination.
老百姓可以长久没有财物,但不能一天没有饭吃。
真正的发现之旅不在于寻找新的风景,而在于拥有新的眼光。
The past is always with us, for it feeds the present.