您可以利用四象限技术来了解每个主体关于合同的，就预算、时间、可交付的内容，合法问题等方面的需求。

You can use the four quadrant technique to understand each subject's needs with respect to the contract in terms of budget, time, deliverables, legal issues, and so on.

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developerWorks：我明白了——术语的细化——只是为了使其中交付的内容更加明确，即该平台中提供了什么功能。

DeveloperWorks: I see — so a refinement of terms — just more clarity about what is being delivered here, what's being offered in the platform then.

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由于更改不会立即在内容交付网络中反映出来，文件的影子副本往往会持续几天或几周。

Because changes aren't reflected across the content delivery networks immediately, ghost copies of files tend to linger for days or weeks.

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