2.当名词是复数时

当名词是复数时，比较结构通常置于复数名词之后。

They produce waste gases almost as harmful as the gases from factories．

它们排放的废气和工厂排放的废气一样有害。

There are men more careless than Mary．

有比玛丽更马虎的男人。

He smokes cigarettes as expensive as I do．

他抽的烟跟我的一样贵。