这句英语语法对吗?Is China on the cusp of outpacing Japan and becoming the largest

题目

这句英语语法对吗?Is China on the cusp of outpacing Japan and becoming the largest
Is China on the cusp of outpacing Japan and becoming the largest luxury good market in Asia?
thanks

答案

语法上没错,china is on the cusp,核心 主 系 表
OF后面一段都是修饰cusp
不过读取来别扭,句意也重复