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

Parliament enacts through this legislation a mechanism for the state control of the press.

议会通过立法来实施,一个政府控制出版的机制。

耶鲁公开课 - 弥尔顿课程节选