请帮忙分析解释一下这两个英语句子.

问题描述:

请帮忙分析解释一下这两个英语句子.
There's an element there about competition then,isn't there?
Is it if the railways hadn't been nationalized,they would simply have disappeared?

  There's an element there about competition then, isn't there? 引导词:There谓语动词:is 主语:an element 处所状语:there 方...