例如，有一种政策规定只有项目模型管理员会执行获取和传播操作。

An example of this is a policy that only the project model manager may perform harvest and propagate operations.

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但是在根除小儿麻痹等疾病运动里扶轮在世界上能成为一个较大的执行者，必须在计划政策要有一种改变。

But before Rotary could emerge as a major player on the world stage in the campaign to eradicate polio, a shift had to occur in program policies.

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政策执行本质上是相关政策主体之间基于利益得失的考虑进行的一种利益博弈过程。

Policy implementation is in nature a kind of game process based on relevant actors' consideration for interests.

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