一日早晨,在地铁口买粥,意外发现卖粥的大婶只提供4个品种:黑豆粥、绿豆粥、红豆粥、黄豆粥。她并不直接问我要买哪种,而是先告诉我:黑豆补肾,绿豆去火,红豆补血,黄豆益气,然后再问需要什么。高手在民间,大婶给长期以来一直钻研图书营销的我上了生动的一课。做图书产品也要学会对产品进行颜色分类,并用数字标识建立自己的产品体系。色彩分类和数字标识都很重要,更重 One morning, buying porridge in the subway, surprised to find the aunt selling porridge only provide four varieties: black bean porridge, mung bean porridge, red bean porridge, soybean porridge. She does not directly ask what I want to buy, but first tell me: black beans kidney, mung to the fire, red beans blood, soy qi, and then ask what is needed. Master in the folk, Aunt to a long time has been studying book marketing, I took a vivid lesson. Book products also learn to colorize the product, and use digital logo to establish their own product system. Color classification and digital logos are both important and heavier