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? 英语
网友回答
【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质疑