John plays football ――,if not better than David .为什么用as well as?

问题描述:

John plays football ――,if not better than David .为什么用as well as?

作为习语用作介词时,as well as的涵义是“还有”、“不但…而且…”.值得注意的是,在A as well as B的结构里,语意的重点在 A,不在 B.因此,“He can speak Spanish as well as English.”