石油储备是在1973年阿拉伯石油禁运事件之后设立的，用于削弱急剧石油供应震动所带来的影响。

The reserves were set up in the wake of the Arab oil embargo of 1973 to blunt the effects of severe supply shocks.

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尽管安理会已经授权对苏丹进行包括石油禁运和设立达尔富尔禁飞区在内的制裁，但没有任何国家认真努力地予以实施。

And though the Security Council has authorised sanctions against Sudan, including an oil embargo and a no-fly zone over Darfur, no country has made a serious effort to implement such measures.

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