But if you take an animal and you give it a new food and then you shock it very painfully it won't avoid the new food.

但如果你给动物吃一种新食物,然后电击它，令其感到疼痛,它仍然会进食这种食物。

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But if you throw off the environment, in this case, the animal's biology, it's drive for certain nutrients is in concert with the food it has access to.

如果让它们换个环境,这种情况下,这些动物的生理特性,即它们有多少动力去获取某些营养元素,是与其食物源状态有关的

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So if you take an animal and you give it a new food and then you give it a drug to make it nauseous it will avoid that food.

所以，如果你给动物吃一种新食物,然后你喂它某种药物，让其感到恶心,它就会避免进食这种食物。

耶鲁公开课 - 心理学导论课程节选