Interfaces represent the client contract and specify the inputs to and outputs from the service.

接口表示客户端契约并指定到服务的输入和从服务的输出。

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In this article, we have shown examples of services that are stateful and stateless with respect to their client contract.

在本文中，我们展示了一些服务的示例，就它们的客户端契约而论，这些服务可以分为有状态的和无状态的。

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Remember: It's always cheaper to re-sign a former client rather than spend the time and effort courting a new client contract.

记住：对于放弃一个以前的顾客是便宜的，与其不如花一些时间和精力来赢得一个新客户的合同。

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"The largest security company in the world, providing a contract to their biggest UK client, turned years of carefully-laid preparations into an 11th-hour fiasco, " Labour MP Mr Vaz said.

BBC: MPs call on G4S to forgo ?57m fee after Olympics failure

However, Benitez's agent Manuel Garcia Quilon said on Thursday that his client intends to see out the rest of his contract, provided the club's financial situation allows it.

BBC: Liverpool put up for sale by American owners

"The largest security company in the world, providing a contract to their biggest U.K. client, turned years of carefully laid preparations into an 11th-hour fiasco, " Mr. Vaz said.

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