求翻译：1、中国能源消费总量已位居世界第二位，仅次于美国，但能源效率远远低于世界发达国家，能源日趋紧张，为节能行业提供了前所未有的历史机遇。是什么意思？

1, the total energy consumption in China has been ranked second in the world, second only to the United States, but energy efficiency is much lower than the developed countries of the world, energy has become tighter, provides an unprecedented historical opportunity for the energy-saving industry.

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1, China's total energy consumption has been ranked second in the world, after the United States, but energy efficiency is much lower than the developed countries in the world, increasingly nervous energy, providing an unprecedented historical opportunity for energy-efficient industries.