The convinent transportation infrastructure, such as the construction of Hangzhou Bay Bridge, makes the acceleration of two hours greenbelt taking shanghai as the core to be realized.

杭州湾大桥的建设等便捷的交通设施更使得以上海为核心的两小时城市圈的实现加快。

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With the development of the economy and the acceleration of the urbanization, the urban transportation and environment problems have become increasingly serious.

随着我国城市化进程加快，城市交通及环境问题日益严重。

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