If you do not want to work hard all your life for earned income, start asking yourself how you can learn to work for passive and portfolio income.

如果你不想用你的一生辛勤工作来赚来收入的话，开始问你自己你怎么能够学习为获得被动收入和证券收入来工作。

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Several mathematical models in modern portfolio has been introduced in this essay and the risk components in portfolio income constitution have been analyzed.

本文介绍了现代证券组合理论中几个主要的数学模型，并分析了组合收益中的风险构成及风险收益决策。

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Sitting on Grandpa's dividend-paying stock portfolio is a fine approach if your goal is to preserve wealth and generate an income stream.

如果你的目标是保存财富并且产生收入流 ，坐在爷爷的分红股票组合上是一种好生活方式。

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The trade-off between higher portfolio income and wealth preservation is one that many AAII members face.

FORBES: Are Bond Investors Taking On More Risk?

Over the short term, portfolio income can be increased by incorporating more dividend-yielding stocks.

FORBES: Breaking Even Is Still Losing Money In Stocks And Bonds

Several AAII members have said they are favoring dividend-paying stocks over bonds as a source of portfolio income.

FORBES: Equity Allocations Back In Vogue