research survey短语⁷⁴²⁴⁹ 基本例句 研究现状 Based on the theory of marketing. a product entering the market in the early stages of the adoption of market research survey of potential consumers is essential. 依据市场营销理论,在一项产品进入市场的初期,通过市场调研对潜在消费者进行调查分析是必不可少的。 fabiao