这些立法者认为，这一政策将大幅减少犯罪率，因为它将使那些已被证明有犯罪倾向的人永远远离街头。

These legislators argue that such a policy would reduce crime dramatically, since it would take people with a proven tendency to commit crimes off the streets permanently.

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这种政策可能会倾向于减少煤炭的使用，因为煤炭的燃烧会产生大量二氧化碳。

Such a policy would tend to reduce the amount of coal used, because burning coal produces large quantities of carbon dioxide.

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国际捐助者在近年来倾向于减少对这个领域的重视程度，它们常常说满足粮食需求的任务可以安全地留给私营部门。

International donors have tended to reduce emphasis on this area in recent years, often arguing that the task of meeting demand for food can be safely left to the private sector.

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So this could be summarized as the law of effect, which is a tendency to perform an action's increased if rewarded, weakened if it's not.

这种行为上的变化被称之为效果律，也就是说，行为倾向随奖励而增加，随惩罚而减少。

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