这是经验教训，而不是当下讨论日炙的“效率市场”理论的摘要。

Why interfere? That was the lesson of experience, not an abstract devotion to the theory of "efficient markets," as is now increasingly argued.

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从赫托收集的很多哺乳动物骨骼上都有石制工具留下的切痕，但我们不知道这些动物是被赫托人猎杀的还是被其他食肉动物杀死后留给赫托人的残羹冷炙。

Many of the mammal bones collected from Herto bear cut marks from stone tools. It is impossible to say, however, whether the people were hunting the animals or scavenging the kills of other predators.

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狐狸也会吃水果蔬菜，鱼，青蛙甚至害虫，如果同人类居住，狐狸也会见机行事的以去吃残羹冷炙和宠物食品。

Foxes will eat fruit and vegetables, fish, frogs, and even worms. If living among humans, foxes will opportunistically dine on garbage and pet food.

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