And that idea is that from the germ's-eye point of view, disease organisms have to get from one host to another, and often they have to rely on the well-being of the host to move them to another host.
这一观点是从细菌的角度来看的， 病菌不得不从一个宿主迁移到另一个宿主， 并且它们通常不得不依赖于健康的宿主 把它们迁移到另一个宿主上。