你或许预期具有这种能力的动物一定与人类关系密切。
You might expect this ability in animals who are closely related to humans.
家犬与人类有着密切的关系，在人与动物的关系中，家犬是人类最亲密的朋友和伙伴。
There was very close relationship between human and domestic dogs, comparing with other domestic animals.
家犬与人类有着密切的关系，在人与动物的关系中，家犬是人类最亲密的朋友和伙伴。
There was very close relationship between human and domestic dogs, comparing with other domestic animals.
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