最新研究显示，如果你的爱犬趁你不在时破坏家具，那它可能是一条悲观的狗。
If your dog destroys the furniture when you are away, it could be a pessimist, researchers have concluded.
最新研究显示，如果你的爱犬趁你不在时破坏家具，那它可能是一条悲观的狗。
If your dog destroys the furniture when you are away, it could be a pessimist, researches have concluded.
最新研究显示，如果你的爱犬趁你不在时破坏家具，那它可能是一条悲观的狗。
A study has found that some dogs are natural gloom-mongers while others have sunnier dispositions.
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