求翻译：虽然在产品从仓库发到商店里，零售商已经作了产品需求预测，但由於顧客需求時時刻刻在改變，而零售商只能夠利用過去的資料來預測其需求，所以零售商的目標是決定何者為產品新的補貨水準（再訂購點）及補貨數量，以便將存貨的訂購及持有成本最小化是什么意思？

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Although sends to in the store in the product from the warehouse, the retail merchant already made the product demand to forecast, but because the customer demand was changing all the time, but the retail merchant only could 夠 forecast its demand using the past material, therefore retail merchant's

Although in products from warehouse made to shop in, retailers has for has products demand forecast, but by in customers guest demand time time carved carved in modified changes, and retailers only enough using but to of information material come default measurement its demand, so retailers of accou

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