Evolutionarily speaking, people in this age group are at a stage in which they can prepare to find a mate and start their own family while separating from parents and striking out on their own.

从进化的角度来说，这个年龄段的人正处于这样一个阶段：他们可以在与父母分开、自谋生计的同时，为寻找伴侣和组建自己的家庭做准备。

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'This is something very ancient and a way of helping men find the best mate to produce children, ' he said.

他说：“这一行为由来已久，能帮助男性找到最佳配偶来生儿育女。”

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Last week, she left him, citing pressure from her parents to find a richer mate.

上个星期，她离开了他，女方父母施加给她生活的压力迫使她去找一个富有的伴侣。

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That is because the chances are that a daughter who reaches adulthood will find a mate and thus produce grandchildren.

ECONOMIST: The sex of a child may depend on how stressed its mother is

One is that you can dig forever and not find a mate.

NPR: Mole-Rats, Ants Making Science Headlines

Due to the large decline of the local owl population, staff at the reserve were surprised the male was able to find a mate so quickly.

BBC: New hope for East Yorkshire barn owl population