本文从城市中心商务区的特征及其存在的问题入手，提出建设中心商务区公园对改善CBD环境的重要意义。
The study on CBD's features and problems is the cut-point in the paper, which brings out the significance of CBD parks.
本文从城市中心商务区的特征及其存在的问题入手，提出建设中心商务区公园对改善CBD环境的重要意义。
The study on CBD's features and problems is the cut-point in the paper, which brings out the significance of CBD parks.
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