New York City lags well behind other cities in green space.
纽约的城市绿化已经落后于其他城市了。
Especially in the north-west of China, many cities have proportion of green areas less than 5%.
尤其是西北地区的部分城市绿化覆盖率不足5 % ，城市环境容量非常有限。
Especially in the north-west of China, many cities have proportion of green areas less than 5%.
尤其是西北地区的部分城市绿化覆盖率不足5 % ，城市环境容量非常有限。
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