零存货是适时生产系统(JIT)对存货管理的基本要求。为了消除产品制造周期中可能存在的“停工待料”或“有料待工’’等浪费现象。JIT要求做到在供、产、销三个环节上都没有库存储备量，即达到零存货。
零库存是指零存货。
因此，零存货的前提是必须要有良好合作关系的供货商与客户。
Therefore, the zero-inventory conditions that we have to have good relations of cooperation between suppliers and customers.
零售商的存货构成通常包括从制造商和批发商那里采购的商品。
The makeup of a retailer's inventory typically consists of goods purchased from manufacturers and wholesalers.
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