这里还需要说的几点是，一旦正确的建立起标记，它最终会变成狗的次要增强。

A couple of points to mention here is that when the Mark has been properly established it will eventually become a secondary reinforce for the dog.

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19世纪末，狗舌草被偶然引入新西兰，像许多入侵的外来物种一样，它很快就变成了一种有害生物。

Ragwort was accidentally introduced to New Zealand in the late nineteenth century and, like so many invading foreign species, quickly became a pest.

youdao

甚至更糟糕的话，它还会把人变成没有意识且怕光的怪物，而幸存者变得没人能交谈，只能和宠物狗及人偶说话。

Even worse, it could also turn people into brainless, sunlight-averse monsters, leaving survivors no one to talk to but dogs and mannequins.

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But the presence of the dog there is a conditioned stimulus and so you grew to be afraid of dogs.

而这时狗的存在就变成了条件刺激,所以你开始对狗心生恐惧。

耶鲁公开课 - 心理学导论课程节选

You can make "Good dog" positive through classical conditioning.

你可以通过经典条件作用,使“好狗狗“一词变成积极刺激。

耶鲁公开课 - 心理学导论课程节选