These are programs that are already enacted, that are in law that would be virtually impossible to reverse.

这些机制已经立法通过了，成了白底黑字,事实上也不可能推翻。

斯坦福公开课 - 经济学课程节选

Now, you may know that New York City and other places around the country have enacted regulations to stop Trans fats being served in restaurants.

你们可能知道,纽约市和国内某些地方,颁布了卫生条例,禁止餐馆使用反式脂肪

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

In resistance to the Fugitive Slave Act the state of Wisconsin enacted a Personal Liberty Law that said they were not going to enforce the Fugitive Slave Act and turn in fugitive slaves, and the justification was that it was their state's right to do so.

为了抵制逃亡奴隶法,威斯康辛州政府颁布了个人自由法,规定他们不会执行,逃亡奴隶法并交出逃奴,理由是,该怎么做是他们州的权利

耶鲁公开课 - 美国内战与重建课程节选