demand-driven 基本例句 n.需求驱动 Then, the demand-driven dynamic pricing models for both the single fresh food and substitutable fresh food in the supermarket are established in order to decide the optimal demand-driven price. 结果表明，超市生鲜食品动态定价模型和方法能够帮助超市按阶段根据需求、库存、可替代性质和竞争者价格确定和预测生鲜食品有效的最优价格。 cnki