沙特阿拉伯占有25%的世界石油储备，是最大的石油出口商，而且在石油输出国家组织(OPEC)中起主要作用。

Saudi Arabia possesses 25% of the world "s proven petroleum reserves, ranks as the largest exporter of petroleum, and plays a leading role in OPEC."

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石油输出国家组织，现在每天生产2720万桶石油，占世界石油输出量的40%，其余的来自非组织内的生产者。

OPEC, which currently produces 27.2 million barrels per day (BPD), accounts for about 40 percent of world oil output, the rest coming from producers who are not part of the organisation.

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