It has advantages such as large transport capacity, high velocity, safe, punctuality, low cost, energy conservation, as well as mitigation of ground traffic jam and environment protection.

它具有运能大、速度快、安全准时、成本低、节约能源、以及能缓解地面交通拥挤和有利于环境保护等优点。

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There are several disadvantages in the existing urban public transport system, such as lacking of capacity, weather-sensitive, frequent traffic accidents, badly environment pollution and so on.

现有的城市公交系统通常存在运力不足，受天气影响大，交通事故频繁以及对环境污染大等缺点。

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