So, if somebody pokes you with a stick and you say, "Ouch," because it hurts, the poking and the "Ouch" is an unconditioned stimulus causing an unconditioned response.

如果有人用棍子戳你，你会因为疼而叫出来，戳的动作和你的喊叫“,这就是无条件刺激引起了无条件反射。

耶鲁公开课 - 心理学导论课程节选

He got talented, respected members of the community who people admired to become life insurance salesmen and he had to pay them enough so that they would stick with the job; then it finally worked.

他将社区中那些具有天赋且受人欢迎的人,聘为寿险推销员,并且通过高薪来激励他们坚守岗位,这个策略最终成功了

耶鲁公开课 - 金融市场课程节选