The new law takes effect from tomorrow.

新法令明日起生效。

《牛津词典》

A tough anti-smoking law has taken effect in Spain.

一项严厉的禁烟法在西班牙生效。

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In effect, the White House claimed that it could invalidate any otherwise legitimate state law that it disagrees with.

实际上，白宫声称能让其不赞成的任何合法州法律作废。

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His education law,still in effect, required states to show yearly progress in student learning as measured by the states' own tests.

VOA: special.2010.07.22

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

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。

耶鲁公开课 - 心理学导论课程节选

And we won that fight, too -- (applause) -- and that law will take effect by the time -- that law is scheduled to take effect by the time freshmen graduate.

WHITEHOUSE: President Obama Speaks On College Affordability

Last year's mining law in effect expropriated ownership of land from private miners.

ECONOMIST: From a royalties bill, the strong rand and lawsuits

Since the law took effect, there have been no school shootings in the state, nor accidents or incidents involving educators' firearms.

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