“e4”建筑是指可持续发展建筑必须具备的四项属性,分别用词首为“e”的4个关键性英文单词来表示,即:能源(energy)、生态(ecology)、经济(economy)和情感(emotion)。其中最后一项(emotion)含有基本生活质量的 Building “e4” refers to the four attributes that must be possessed by a sustainable development building. They are represented by four key English words with the prefix “e”: energy, ecology, Economy and emotion. The last of these contains the basic quality of life