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The market portfolio is efficient if and only if all investors hold mean-variance efficient portfolios.
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 necessarily your mother, or indeed mine, but, as it were, the ideal mother, somebody who doesn't care about your achievements. Unfortunately, most people are not our mothers. Most people make a strict correlation between how much time, and if you like, love -- not romantic love, though that may be something -- but love in general, respect --they are willing to accord us, that will be strictly defined by our position in the social hierarchy.
"The best stories are the ones that make you feel understood."
The health of our fish reflects the health of our waters - they are inseparable.
释义:宽容的人能设身处地为他人着想,不拿自己的标准去衡量别人。
"Every discovery is a step closer to understanding the universe."
最成功的企业是那些将利润与目标结合的企业。
我不信任任何以大写字母开头的东西。
Freedom would be not to choose between black and white but to abjure such prescribed choices.