必有一招适合你一连锁开发法：从分析市场消费结构的内在联系和发展趋势入手，准确把握商品之间被消费的连锁关系，通过开发一种产品带动相关产品的开发。如法国某电话公司针对打电话者通常要找纸笔作谈话记录，发明了一种带有活页记录本和圆珠笔的电话机配套产品，在市场... There must be a trick for you to develop a chain of methods: from analyzing the internal relations and development trends of the market consumption structure, to accurately grasp the chain relationship between the consumption of goods, through the development of a product to drive the development of related products. For example, a phone company in France is usually looking for a pen and paper for the caller to make a conversation record, inventing a telephone accessory product with a loose-leaf notebook and a ballpoint pen...