系统运行结果表明该设计正确且效果良好。

The system running results show that the design is correct and has good effect.

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费时、昂贵且效果不明显的方案使人望而却步。

Programs that are time-consuming, hidden and expensive only discourage participation.

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系统经投产使用证明，这种计量控制方法是可行的，且效果很好。

Through putting into operation, it is proved that the gauging and control methods are reliable and have good effect.

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More generally, Chomsky suggests that the law of effect when applied to humans is either trivially true, trivially or uninterestingly true, or scientifically robust and obviously false.

更一般的来讲，乔姆斯基认为应用在人类身上的效果律,要么是无效且毫无意义的正确假说，要么就是稳定且明显的错误假说。

耶鲁公开课 - 心理学导论课程节选