求翻译：中国是世界第一人口大国，同时也是能源生产和能源消费大国。在我国的能源消耗总量中,建筑能耗占总能耗的比重也越来越大，建筑耗能已逐渐增长为与工业耗能、交通运输耗能并列，成为我国能源消耗的三大“耗能大户”。在能源消费结构中，建筑能耗已经占到我国社会总能耗的30%。因此，降低建筑能耗，实施建筑节能，对于促进能源资源节约和合理利用，缓解我国的能源供应与经济社会发展的矛盾，有着举足轻重的作用。是什么意思？

China is the world's most populous country, energy production and energy consuming nations. In China's total energy consumption, the proportion of building energy consumption, total energy consumption is also growing, building energy consumption has been gradually increase China's energy consumption