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。 Enjoy Now Blocks preserve falling down in Tetris and you'll twist them into the right position. Sooner or later these blocks must refill an entire row to score details! 不难发现，通过各种框架，我们在“显性化问题以及隐含假设”及步骤一选择框架上，任何理论模型都是有局限性的... https://velopiter.spb.ru/profile/95825-godovietnam/?tab=field_core_pfield_1