The product key CARDS have a number of other subtle differences as compared with traditional boxed products.

产品密钥卡较之传统的盒装产品有一些微妙的差异。

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This paper analyzes the reasons of network enterprises providing free service, and connecting with boxed pigs, advances some suggestions on pricing strategy of network products.

分析了网络企业提供免费服务的原因，并结合智猪博弈提出网络产品价格策略的建议。

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With prices higher in America, Canada's exports of boxed beef and beef products have surged to record levels.

ECONOMIST: Canada