Another obstacle is that energy users do not recognize how much they can benefit from improving efficiency, because saved energy comes in millions of invisibly small pieces, not in obvious big chunks.

 
  • 另一个原因是使用者无法体认提升能源效率会给自己带来什麽好处,因为省下的能源来自成千上万看不见的点点滴滴,而非一大笔明显可观的能源。
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