亲近自然、舒适、健康、安全，而且对环境友好的建筑environmentally friendly building

• 德国的钢结构达到了绿色建筑的要求。

  German steel structures have met the requirements for environmentally friendly buildings.

• 发展绿色建筑，是打造低碳城市的大头。

  The development of environmentally friendly buildings forms the main part of creating a low-carbon city.