- 问题详情:Ifyouhaveacat,youalreadyknowthatacatisn'tadogthatdoesn'thavetobeyou'reabouttobringacatintoyourfamily,youneedtounderstandthatbasiccommonwisdomisthatdogsarefriendlierthancats.Inrecentyears,scientistswhohavedoneDNAstudieshaveofferedabetterway...
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