But smaller ones happen every day. Demand for energy just keeps growing, outpacing energy generation.

但规模小一些的停电每天都在发生. 对能源的需求只是不断增长, 超过能源的产生.

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Coal continues to be the world's fastest - growing energy source, outpacing oil and gas, according to BP.

据英国石油称,煤炭仍是世界增长最快的能源来源, 超过石油和天然气.

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Annual pension cost rises are outpacing the growth of the city's pension - fund revenues.

年度养老金开销攀升,已经超过费城退休基金收入的增长速度.

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