When food is in short supply, a ruminant can last longer than a nonruminant because it can derive more energy out of the same food.

当食物短缺时，反刍动物比非反刍动物寿命更长，因为反刍动物可以从同样的食物中获得更多的能量。

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When food is in short supply, a ruminant can last longer than a nonruminant because it can derive more energy out of the same food.

当食物短缺时，反刍动物比非反刍动物寿命更长，因为反刍动物可以从同样的食物中获得更多的能量。

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