National efficiency has to do, not only with natural resources and with men, but it is equally concerned with institutions.
国家效率不但同自然资源和人有关，同体制机构亦同样有关。
Japan's Agency for Natural Resources and energy (ANRE) estimates that Japan improved its energy efficiency 37 percent in the past 30 years.
日本国家资源与能源机构(ANRE)估计，日本在过去的30年间将能耗水平提升了37%。
Efficiency of water use should be raised and waste of water resources reduced to realize a natural balance.
二是在现有水资源供给条件下，提高用水效率、减少浪费，实现供求自然平衡。
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