讨论包括运输成本、购货成本以及库存成本在内的总成本最小的供应链协作供应问题。

In this paper we discussed the problem of collaboration-supply in supply chain based on minimal total cost including transportation cost, purchase cost and inventory cost.

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中间商购买商品是为了再转售，对购货成本即中间商市场的价格变化较为敏感，其需求量随价格涨落的变化而变化。

For resales, resellers are sensitive to the cost, namely the price of reseller market, whose change will cause that of the demand.

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这是购货单，希望你们报成本加运费保险费到悉尼的最低价。

Here is a list of my requirements. for which I'd like to have your lowest quotations CIF Sydney.

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