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科学家们发现,狗受到不公平对待时容易产生嫉妒并拒绝活动。研究表明,如果不能同其他狗一样得到美食奖赏,狗会停止与研究人员合作,并且开始表现出不高兴。科学家报告说,当研究人员示意狗伸出
Scientists have found that dogs are easily jealous and deny activity when they are treated unfairly. Studies show that if dogs do not get the same food-reward as other dogs, the dog stops working with the researchers and begins to feel unhappy. Scientists report when researchers show dogs stick out