这种汽车非常廉价、舒适、便捷，给公共交通系统尚不完善的国家提供了关键性的公共设施服务。
It is cheap, friendly, convenient and performs a vital service in countries with meagre public transport systems.
各种公共设施还不完善的情况下，公共艺术已经开始走入我们的城市生活。
All kinds of public facilities are not perfect, under the situation of public art has begun to walk into our city life.
保留山体并改造以休闲健身为一体的绿色中心，为区域开发提供完善的公共设施配套。
A green center with recreation and exercise is built up through preserving the mountains which offers the comprehensive public facilities for the area's development.
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