The ostensible purpose of this sentence at this point, as I take it, in Milton's argument is to explain the importance of censorship; but surely this sentence has an entirely different effect on us as readers, a different effect than the syntax or the logic of this sentence may demand.

这句话表面上的目的，我认为，是在弥尔顿的论点里解释控制的重要性,但是这个句子却对读者产生了相反的作用，一个和这句话的句式逻辑的要求,不同的影响。

耶鲁公开课 - 弥尔顿课程节选