These don't just sit down anywhere.
它们并不是到处都是。
Because it has beautiful leaves everywhere. And it's not too hot.
因为到处都飘落着美丽的树叶。气温也不是很高。
So economically it meant more-- it made more sense to eat meat under those circumstances, but of course the meat didn't exist in all places of the world, so some people were dependent on plants.
因此,从经济角度看,在那样的环境中,食肉更加合理,当然肉类并不是世界各地到处都有,因此,有些人们就依赖于农作物
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