Parasitism is a kind of predator-prey relationship in which one organism, the parasite, derives its food at the expense of its symbiotic associate, the host.

寄生是一种捕食者与被捕食者之间的关系，寄生者利用共生伙伴——宿主来获取食物。

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The relationship between the local community and the bears could be described as being amicable, however neither party forget that one is the world's largest four-legged predator.

当地社区和熊之间的关系可以说很友好。然而任何一方不会忘记，一方是世界上最大的四条腿的捕食者。

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