我不是說(shuō)唱歌手，我是一個(gè)印加語(yǔ)的傳奇。
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(chǎng)組合才是有效的。
Sustainability isn't an option anymore—it's a necessity for any business that wants to thrive in the future.
"You don't forget the face of the person who was your last hope."
The energy industry is not just about powering homes; it's about powering progress and innovation.