Policy is policy after all, but you can make an exchange and you can use the credit for your books for next semester.

政策毕竟是政策，但是你可以进行交换，你可以用学分来换取下个学期的书。

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XACML addresses the exchange of policy decisions between the PEP and the PDP.

XACML解决了PEP与pdp之间的策略决策交换问题。

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This is handled in the policy description by using a nested policy for the exchange with the STS, while the main body of the policy applies to the exchange between the client and the service.

对于与 STS 之间的交换，可在策略描述中通过使用一个嵌套的策略加以处理，而此策略的主体则用于客户机与服务之间的交换。

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Policy Exchange also shows how unlikely it is that the Tories can win the next election.

ECONOMIST: Bagehot

Policy Exchange has been a wellspring of new ideas throughout this decade and it is ideas that I want to talk about today.

BBC: NEWS | UK | UK Politics | In full: George Osborne speech

But a Policy Exchange poll suggested that people in the north hold Margaret Thatcher in higher esteem as a PM than Gordon Brown.

BBC: New report highlights north-south divide among voters