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Leading:未来城市的屋顶让居住在屋里的人感到很凉爽。绿色植物覆盖的屋顶,令人耳目一新。白色或者彩绘的屋顶,在欧洲、中东和加拿大盛行已久。What’s the greenest roof?A white one.Whitepainted roofs are three times more efficient than green roofs—rooftops that are planted over with grass or other
Leading: The roofs of future cities make people living in the house feel cool. The roof covered with green plants is refreshing. White or painted roofs have long been popular in Europe, the Middle East and Canada. What’s the greenest roof? A white one. White pitched roofs are three times more efficient than green roofs-rooftops that are planted over with grass or other