Transportation engineers and planning professionals can make communities more walkable and support public transit systems.
交通工程师和规划人员可以使社区更适合步行，支持公共交通系统。
Transportation engineers and planning professionals can make communities more walkable and support public transit systems.
交通工程师和规划人员可以使社区更适合步行，支持公共交通系统。
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