itemid,ID,
title,专家名称,
style,高亮颜色,
major,擅长领域,
ask,提问数,
answer,回答数,
best,采纳数,
hits,关注数,
username,会员名,
passport,昵称,
addtime,添加时间,
editor,编辑,
edittime,修复时间,
introduce,专家简介,
content,专家介绍,