The market portfolio is efficient if and only if all investors hold mean-variance efficient portfolios.
當(dāng)且僅當(dāng)所有投資者都持有均值-方差有效的投資組合時(shí),市場組合才是有效的。
Music has the power to bring people together from all over the world.
理解習(xí)慣背后的心理學(xué)可以打開個(gè)人成長和自我提升的大門。
The fabric of society must depend on the individual rights of persons, on the rights of property.
"We inherit not only our parents’ features but also their silences."
勇氣是在壓力之下展現(xiàn)出的優(yōu)雅。