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去年的西德建筑业,利用大多数非常温暖的气候条件,特别在商业性建筑和住宅建筑市场上呈现出繁荣景象。 西德的经济学家们估测,1989年该国的建造效率增长为5％,1990年再增长2.5～
The West German construction industry last year used most of the very warm climatic conditions, particularly in the commercial and residential construction markets. West German economists estimated that the country’s construction efficiency increased by 5% in 1989 and then increased by 2.5 in 1990.