specialist和expert有什么区别?
请问 savvy expert specialist 的区别和用法.
training officer和training specialist有什么区别?
staff/specialist/executive/有什么区别?
Marketing specialist 和 marketing executive有什么区别,是一样的意思嘛?
expert at/on/in 有什么区别
expert用法expert后面带介词in,at,on,有什么区别啊?
an expert in/on/at有什么区别
be expert on in at有什么区别
an expert in/at/on/with有什么区别?
special knowledge specialist knowledge 什么区别
an expert on和be expert in的区别
Sales Rep,Sales Specialist和Sales Associate区别在哪里?