assistant 与 seller的区别谢谢在购物时 会出现这两个人物 都是卖东西的 到底有什么区别 谢谢

assistant 与 seller的区别谢谢在购物时 会出现这两个人物 都是卖东西的 到底有什么区别 谢谢 clerk与assistant,哪个级别高一点? 用英语解释assistant manager 与 assistant of manager的区别 Assistant to the Administratorto 与 Assistant Administrator 两个职务有什么不同 assistant assistant是什么意思? best seller sub-seller personal assistant . assistant professor admin assistant assistant是什么意思? admin assistant assistant是什么意思 DataBase Assistant Assistantship Fellowship Project/Program Assistant Research Assistant Teaching Assistant seller refurbished是什么意思 Shipping Marks:seller's seller refurbished是什么意思