A car is the most expensive purchase many consumers make, and by buying a car they also enter into a long-term contract.

汽车是许多消费者作出的最昂贵支出，购买汽车也存在长期合约。

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Project Procurement Management includes the contract management and change control processes required to administer contracts or purchase orders issued by authorized project team members.

项目采购管理包括合同管理和变更控制过程，它们是管理由授权的项目团队成员签发的合同或采购订单所必需的。

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Where specified by the contract (e. g. customer engineering drawing, specification), the organization shall purchase products, materials or services from approved sources.

对合同中规定的(如顾客工程图样规范)组织应根据批准的原始资料，采购产品材料或服务。

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Boost Mobile, a leader in the no-contract wireless industry and ranked "Highest in Purchase Experience among Non-Contract Wireless Providers" by J.

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Purchase Experience among Non-Contract Wireless Providers by J.

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Amgen acknowledges that the best discounts are earned by customers who purchase both Aranesp and Neulasta, but it denies that its contract is coercive.

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