portfolio return是什么意思

portfolio return
1.证券组合投资收益
2.投资组合收益
例句:1.This means that,although diversification reduces the overall variability of theportfolio return,it need not necessarily reduce the expected return.
这也就意味着,尽管多样化投资可以降低投资组合回报率的整体可变性,但却并不一定会减少预期回报率.