Firstly, the author describes China and foreign Old market background, with marketing combination theory, customer behavior and customer relationship management research are introduced in this thesis.

首先，本文介绍了中国外老年市场的研究背景，同时对市场营销理论、消费者行为学研究概况和顾客关系管理研究等进行了综述。

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Firstly, the author describes China and foreign Old market background, with marketing combination theory, customer behavior and customer relationship management research are introduced in this thesis.

首先，本文介绍了中国外老年市场的研究背景，同时对市场营销理论、消费者行为学研究概况和顾客关系管理研究等进行了综述。

youdao