No Not Necessary

McWhorter acknowledges that formal language is not strictly necessary, and proposes no radical education reforms—he is really grieving over the loss of something beautiful more than useful.

McWhorter 承认正式的语言并不是绝对必要的，也没有提出任何激进的教育改革——他实际上是在为失去一些美丽但相对不实用的东西而悲伤。

No changes to existing code necessary, does not even require the source code.

不需要修改已有的代码，甚至不需要源代码。

The overall cost of entry — taking into account the cost of training needed only a decade ago and now no longer necessary — has not so much dropped as evaporated.

考虑到十年前你还需要花费受训费而现在那已经不需要了，网络的入场费就像被蒸发掉一样，所剩无几。