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。
每一天都是新的开始。
Exploring the topological aspects of electronic systems not only deepens our understanding of quantum mechanics but also paves the way for revolutionary technologies.
Love is the bridge between you and everything.
"You have to trust your instincts and follow your passion."
最好的故事是那些留给你的问题比答案更多的故事。