英语长难句找句子主干

题目

英语长难句找句子主干
Rather,we have a certain conception of the American citizen,a charaction who is incomplete if he cannot competently assess how his livehood and happiness are affected by things outside of himself
这个句子主干是什么?不要求翻译.只要大概说下怎么找这个句子主干就行

答案

这个句子的主干就是 rather,we have a certain conception of the American citizen.
后面的那个句子是对American citizen的补充说明.
a charaction 说的就是 American citizen