所以你就需要构建一套自上而下框架，首先选择成型框架，譬如4P营销理论，（你也可以采用4C，4R营销理论）作为框架展开分析。 因此你在不了解具体状况下，可以利用4P营销框架从产品，价格，渠道，促销四个维度分析改进措施。 As she does in a variety of her novels, Christie employs absolutely free oblique discourse, a narrative technique pioneered by Jane Austen. The story is narrated within the 3rd ma... https://linqto.me/about/godovietnam