科学已通过进化推理当男性不得不在陌生的地域寻找食物时，这些能力对生存是有必要的。
Males also perform better in navigation, and scientists have theorized that through evolution these kinds of abilities were necessary for survival when males had to seek food in unfamiliar terrain.
科学已通过进化推理当男性不得不在陌生的地域寻找食物时，这些能力对生存是有必要的。
Males also perform better in navigation, and scientists have theorized that through evolution these kinds of abilities were necessary for survival when males had to seek food in unfamiliar terrain.
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