For your internal needs, you want to use Design by Contract since you have control over the developers in your organization that will use the classes.

为了你的内部需要，你要使用契约式设计进而来使用类，因为你已经在你的组织中控制开发人员。

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The meter and accounting service stores the relationship between the requestor and provider as detailed in the contract buy the internal use of certificates.

计量与统计服务通过证书的内部使用将合同中详细说明的请求者与提供者之间的关系存储起来。

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First, when commodity processes and applications are sourced from the outside, a company is not constrained by fixed internal capacity but can contract and expand as business conditions dictate.

首先，当商业流程和应用被外包出去时，公司可以摆脱固定的内部能力的束缚，根据商业条件的要求来签订合同和进行扩展。

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The manager said that after last week's takeover, an internal document was issued to staff advising that "your contract has been transferred, there are no alterations".

BBC: 'Rescued' car parts group closes

Last week the FDIC filed suit against Colonial Bank auditor PwC, and internal audit co-source vendor Crowe Horwath, for professional malpractice and breach of contract.

FORBES: A Tale of Two Lawsuits -- PricewaterhouseCoopers and Colonial Bank