请帮忙分析一下这句话的结构

题目

请帮忙分析一下这句话的结构
Yet the desirability of further economic growth for a society that is already wealthy has been questioned on grounds that undoubtedly have a good deal of validity.尤其是后面这句that undoubtedly have a good deal of validity在句子是充当的什么成分?

答案

后面这句that undoubtedly have a good deal of validity 是 定语从句.定grounds.grounds 理由.has been questioned on grounds that undoubtedly have a good deal of validity.对.以毫无疑问非常有效的理由提出了...