Middle-class couples routinely complain that they have too little time for their children.

中产阶级夫妻一贯抱怨他们照顾孩子的时间太少太少。

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Hence, when we complain about housing prices being very high, we almost exclusively do so in reference to the middle-class.

因此，当我们大声疾呼遏制高房价的时候，主要是针对中产阶级。

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Despite assertions by progressives who complain about stagnant wages, inequality and the (always) disappearing middle class, middle-class Americans have more buying power than ever before.

WSJ: Donald Boudreaux and Mark Perry: The Myth of a Stagnant Middle Class