这些基金采用一体化投资方针，既包括股票又包括了债券。

These funds are an all-in-one approach to investing. They contain a blend of stocks and bonds.

《柯林斯英汉双解大词典》

凭借这个分析，我们可以估算出资产预期投资收益，特别是股票和债券的预期收益。

Underlying this analysis, we have estimates of the expected returns on assets, notably, the expected returns on stocks and bonds.

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在过去的两个世纪里，对于投资者来说，股票远远好于债券或者是其他种类的资产。

Over the past two centuries, stocks have done dramatically better for investors than have bonds or any other asset class.

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That's got the lowest possible standard deviation of expected return and that's 25% stocks and 75% bonds with this sample period.

这个组合预期回报的标准差最小,在这一点上，投资组合,由25%的股票和75%的债券构成。

耶鲁公开课 - 金融市场课程节选

Underlying this analysis, we have estimates of the expected returns on assets, notably, the expected returns on stocks and bonds.

凭借这个分析，我们可以估算出资产预期投资收益，特别是股票和债券的预期收益。

耶鲁公开课 - 金融市场课程节选

The pink line here is the efficient portfolio frontier when we have only stocks and bonds to invest.

这条粉色曲线就是有效边界,这个投资组合只包括了股票和债券。

耶鲁公开课 - 金融市场课程节选