[译] 它们（指骨头）不是动物的骨头，而是人的骨头。
[误] They were not the bones of an animal, but of a person’s.

[正] They were not the bones of an animal, but of a human being.
[注] 英语中有很多词都可以表示“人”的意义，如people, person, man, human (being)等。但在强调“人类”意义，以区别其他动物的情景下，多用human (being)。而people, person等指人是通常的用法。