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。
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.
这样就建立了“集成总线”的概念；消息产生者和消息消费者之间通过与总线交互进行通信，而不是彼此直接通信。
This establishes the notion of an "integration bus"; message producers and consumers communicate by interacting with the bus, not directly with each other.
重大的危难包涵着美，它能让陌生者之间显现友爱之情。
Great perils have beauty, they bring to light the fraternity of strangers.
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