首先总结了“3for2”概念的3个关键设计原则,然后通过阐述新加坡东南亚联合世界学院办公空间的项目实践,验证“3for2”概念在高密度人居热带城市的可持续潜力,从而揭示协同系统设计应超出提高能源效率的研究范畴,通过提升空间品质、设计适应性和使用舒适度,实现全生命周期的经济效益。 First, we summarize the three key design principles of “3for2 ” and verify the sustainable potential of the “3for2 ” concept in high-density Habitat tropical cities by elaborating the project practice of the office space of the United World College in Southeast Asia It is revealed that the design of a collaborative system should go beyond the research field of improving energy efficiency and realize the economic benefits of the whole lifecycle by improving the quality of space, designing adaptability and using comfort.