Food is an excellent example of this and a frequent primary reinforcer used by trainers.

食物是培训初级强化物使用的很好的例子。

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Similarly if we want to use a secondary reinforcer we must teach the animal that it is good and to work for that as much as a primary reinforcer.

同样，如果我们想用次级强化，我们要教育的动物什么是好的事情，同时要做的与初级强化一样好。

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Similarly if we want to use a secondary reinforcer we must teach the animal that it is good and to work for that as much as a primary reinforcer.

同样，如果我们想用次级强化，我们要教育的动物什么是好的事情，同时要做的与初级强化一样好。

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