Keep in mind the "user view" or "programming model" of concurrency as a matter of scheduling access to a unitary resource.

请记住，从“用户视图”或“编程模型”的角度来看，并发就是关于调度对不可分资源的访问这样一件事情。

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Using this approach, the data (model) and user interfaces (view) are separated so that changes to one will not affect the other.

使用此方法，数据(模型)和用户界面(视图)将彼此分离，以便对一个方面的更改不会影响另一个方面。

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Figure 1 shows an example of a content model in which the current user possesses only VIEW rights to some of the nodes of the sub-tree, starting at node 1.2.

图1显示了内容模型的示例，在该示例中，当前用户仅拥有对某些子树节点(从节点1.2开始)的“查看”权限。

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In our business model, historically clients have paid for two user-initiated views in order to generate one earned media view.

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