energy efficient space

例句：

1. 1.The new building is designed to be energyefficient and environmentally friendly.
   这座新建筑被设计为节能且环保。
2. 2. The companyhas invested in energy-efficient lighting systemsto reduce energy consumption.
   该公司投资于节能照明系统以减少能源消耗。
3. 3. The energy-efficient design of the new car reducesfuel consumption and emissions.
   这款新型汽车的节能设计减少了燃油消耗和排放。