do a survey for与do a survey of 有什么区别

问题描述:

do a survey for与do a survey of 有什么区别

do a survey for 是为了一件事而做 do a survey for是关于那件事举例:do a survey for英文:I am doing a survey for healthcare products华文:我在为保养品作市场调查.举例:do a survey of英文:I am doing a su...