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。
Content abstract: in the contemporary expense culture linguistic environment, "the literature classics" take one kind specially "the consumable" to face all sorts of difficult positions.
内容摘要：在当代消费文化语境中，“文学经典”作为一种特殊的“消费品”面临着种种困境。
A man had need, if he be plentiful in some kind of expense, to be as saving again, in some other.
一个人如果在某一项上消费多，则他必须要在别的一项上节省。
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