古人说,“十年之计,莫如树木”。意思是种植树木,至少十年才有成就。 但是,在一个城市,特别是像上海这样一个绿化基础极其薄弱的特大城市中,又需要多少年才能“树木”——播撒出符合国家园林城市标准的、现代宜居城市所必需的绿色? 撇开新中国建国后的几年“恢复时期”,从新中国新上海的第一块公共绿地——由原跑马厅北半部改建的 The ancients said that “a plan for ten years is like a tree.” It means planting trees for at least 10 years. But how many years will it take for “trees” in a city, especially in mega cities like Shanghai, where the greening foundation is extremely weak - to sow the green that is necessary for a modern, livable city that meets the standards of the National Garden City? In the years since the founding of New China, the period of “restoration” has changed from the first public greenbelt in the new Shanghai, China, to the north half of the original racetrack