There is a world of [ ][differently] between us.

题目

There is a world of [ ][differently] between us.
我知道应填difference,但我不明白为什么.按理说,of为介词,介词后面应加副词呀.

答案

不对.借此后面应该加名词或代词.
像 on the table, by bike
所以of后面加difference