哈迪说到，墨尔本研究所正在做一个类似的调查——HILDA小组(Household Income and Labor Dynamics in Australia澳大利亚家庭收入和劳工动态研究小组)。现在已经是第十个年头了。

Headey says the Melbourne Institute is currently conducting a similar survey called the HILDA Panel (Household Income and Labor Dynamics in Australia), which is now in its tenth year.

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调查者查看了收入动态专门研究小组自从1968年就对美国家庭实施的一项调查。

The researchers looked at data from the Panel Study of Income Dynamics, which has been conducting a survey of American families since 1968.

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