要改善城市的生态环境，最有效的办法就是建设城市公园。
In improving ecological circumstances of city, most effective way is to build parks in city.
从现代住区到城市空间的建设，现代人居环境无不体现着开放性生态系统的观念。
The construction of modern habitation and the city room embodies the concept of open ecosystem.
从现代住区到城市空间的建设，现代人居环境无不体现着开放性生态系统的观念。
The construction of modern habitation and the city room embodies the concept of open ecosystem.
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