And so what you want to do, basically drawing upon the law of effect, is reinforce the pig for doing good things.

你所要做的就是，应用效果律，强化这头猪做出的令你满意的行为。

耶鲁公开课 - 心理学导论课程节选

He does a lot of community work for underprivileged and just good things in the community.

他给弱势群体做了很多社区工作，还有别的好事。

洛杉矶湖人队 - SpeakingMax英语口语达人

You hadn't had,yet,the creeds that would try to settle these things for good, like you did in the third and fourth century--the fourth century.

你没有固定的判断标准,可以永远解决这些事情，它不像主后第四世纪。

耶鲁公开课 - 新约课程节选

Against that, I suppose, you've got pessimists-- pessimists who say, " "No, no. Although life perhaps has some good things, " the overall grand balance " is negative for everybody in every circumstance.

与之相反还有悲观主义者-,悲观主义者会说，“不，也许生活有些美好的事情，“但总体的结果,“在任何情况下对任何人都是负数。

耶鲁公开课 - 死亡课程节选