如何理解比较句型中的than is necessary

This hotel is far more luxurious than is necessary.

necessary是形容词，than is necessary如何理解？假设可以补全的话，难道是than THIS HOTEL is necessary to be luxurious ?

或者老师帮我假设补全，让我可以理解。谢谢！

这个问题和另一个问题完全形同，具体参读我对另一个问题的解答。这里我只补全分句：

This hotel is far more luxurious than is necessary.

This hotel is far more luxurious than it is necessary that it should be .

主句的比较项为far more luxurious，其对应项在that从句作表语，必须省略，形成空位。

曹荣禄 -

擅长：动词用法,句法问题 | 采纳率 82% | 回答于 1秒前

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