The decision of city planning authorities as to whether a sub-pavement or "tube" system should be adopted, depends a great deal on what type of public transport system already exists.

城市规划部门决定建造地下道还是建造地铁，主要取决于公共交通系统的现状。

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The decision of city planning authorities as to whether a sub-pavement or "tube" system should be adopted, depends a great deal on what type of public transport system already exists.

城市规划部门决定建造地下道还是建造地铁，主要取决于公共交通系统的现状。

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