So going back to our biological minds, then, we might think that females should choose to have sex with the guys that have the shorter appendages, because she can use her time for other things: avoiding predators, taking care of young, finding and ingesting food.
根据生物理念 我们或许认为雌性应当选择 和那些阴茎下部比较小的雄性做爱 这样她可以有更多的时间做其它事 躲避捕食者，照顾下一代 收集和消化食物