Skinner, in his book Verbal Behavior, talks about the question of why do we do things like talk to ourselves, imitate sounds, create art, give bad news to an enemy, fantasize about pleasant situations?

斯金纳在其《言语行为》一书中，描述了我们展现各种行为的原因,如自言自语，声音模仿，创造艺术，向敌人散布坏消息，幻想美好情景等等？

耶鲁公开课 - 心理学导论课程节选

So controlling the dose is really important and that's going to turn out to be very important in cancer therapy because these are very potent drugs that will have bad effects in other sites and you want to localize them where they want, so we're going to talk about that.

控制药物剂量非常重要,特别是在癌症的治疗当中,这一点尤为重要,因为这些药物效力强大,会对其他部位产生不良影响,你不能使药物扩散到别的组织,这就是我们要讲的问题了

耶鲁公开课 - 生物医学工程探索课程节选