executive,director,supervisor这三个职位有什么区别?

executive,director,supervisor这三个职位有什么区别? executive 和managing director 有什么区别? manager,director,executive的区别 英文职位executive和supervisor分别是什么,哪个大点 什么叫Research Executive Director? 解释executive director什么意思 公司的 Executive Director 和 VP 是什么职位,那个大? general manager, director, managing director, supervisor的区别 executive director outside entity director 和 non-executive director 的区别 superintendent和supervisor有什么区别呀? staff/specialist/executive/有什么区别?