克拉克博士还发现，鲨鱼并不像人们想象的吃那么多食物。

Doctor Clark also found that sharks don't eat as much food as people think.

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克拉克博士说，如果鲨鱼咬了你，原因通常是因为把你错认为它的天然食物。

If sharks bite you, says Doctor Clark, the reason is usually because of mistaking you for its natural food.

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如今，人们通过捕杀鲨鱼来获取食物和它们的皮。

Today people kill sharks for food and their skin.

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