this can mean a quantum change in the information available to people.分析句子结构
问题描述：
this can mean a quantum change in the information available to people.分析句子结构
答
this是主语；can是情态动词,与谓语动词mean一起构成句子的谓语；a quantum change是宾语；in the information是状语；available to people是定语,修饰information,相当于定语从句which/that is available to people....