At the core of the international collective security mechanism, the security Council has primary responsibility for the maintenance of international peace and security.

安理会作为国际集体安全机制的核心，在维护国际和平与安全上负有首要责任。

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In Wisconsin the unions, in a smart tactical move, offered to give into the governor's demands on pension and health reform in exchange for maintenance of their collective bargaining rights.

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