旧时家庭中的客厅（也叫“堂屋”），真正名符其实，是供主人（特别是男主人）接待访客的专门场所。但今天则不然，由于地球人口激增，因而城市居民的钢筋水泥居巢和城市建设规模不可能象昔日四合院、大平房时代那样随便膨胀，使居室房间的功能多样化便渐成时尚，比如书房要兼 The living room in the old days of the family (also called the “living room”) is a truly authentic place to host visitors (especially the masters). However, today is not the case. Due to the surging population of the earth, the population of reinforced concrete and urban construction of city dwellers can not scale as easily as the old courtyard houses and big bungalows era, thus diversifying the functions of a living room into a fashionable one. And