企业不会产生基础设施资本成本，只有运营成本，而且运营成本的产生是基于即用即付的基础，没有合约义务。

Enterprises incur no infrastructure capital costs, just operational costs and operational costs are incurred on a pay-per-use basis, with no contractual obligations.

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一些发达国家，如美国，正在运行的即付即用即付(现收现付)系统，该系统主要用在有工作力支付的退休人员。

Some developed countries, such as United States, are running the Pay-As-You-Go (PAYG) system which the existing working force pays for the retirees.

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这种不同可能会更改应用程序的设计，或者对即付即用用户采用不同的定价结构。

This difference may change the design of the application, or suggest a different pricing structure for a Pay-As-You-Go user.

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