It's as if the distinction between John Milton and the speaker of Lycidas wasn't really operative.
似乎弥尔顿和的演说人之间的区分,并不是那么重要的。
耶鲁公开课 - 弥尔顿课程节选
That's how operative conditioning works.
这就是操作性条件反射。
耶鲁公开课 - 心理学导论课程节选
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