A stuffed female cuckoo was attached to a tree or bush, and a recording of the bird's come-hither mating call was played out.
他们还在树上或灌木上安了一只雌性杜鹃玩偶，并播放这种鸟充满诱惑的求偶叫声的录音。
These changes have been driven by women's increasing education and labor force participation, new gender roles, and the rise of what social scientists call assortative mating.
这些改变来源于以下驱动因素：女性受教育程度提高、加入劳动力大军，新的性别角色以及被社会学家称作的门当户对的婚姻比率正在增加。
These changes have been driven by women's increasing education and labor force participation, new gender roles, and the rise of what social scientists call assortative mating.
这些改变来源于以下驱动因素：女性受教育程度提高、加入劳动力大军，新的性别角色以及被社会学家称作的门当户对的婚姻比率正在增加。
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