Researchers have noted that during stressful times, such as periods of mass unemployment, people's heights tend to be shorter than during prosperous times [source: Steckel].
研究人员注意到，在艰苦岁月中，比如大量人失业的年代，人们的身高比繁荣时期要矮[来源：steckel]。
Researchers have noted that during stressful times, such as periods of mass unemployment, people's heights tend to be shorter than during prosperous times [source: Steckel].
研究人员注意到，在艰苦岁月中，比如大量人失业的年代，人们的身高比繁荣时期要矮[来源：steckel]。
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