城市轨道交通建设规划首先要解决大城市交通的需求，并达到建设耗资低、运营效率高、见效快的目的。
The plan for the constrUction of urban rail transit must meet the demand of metropolis traffic, and achieve the purpose of Iow cost, high operation efficiency, and quick flnancial retum.
上海农村商业银行运营效率的低效是主要是由其规模效率低而引起的。
Shanghai rural commercial bank 'low result efficiency is aroused by its inefficient scale.
同时该装置结构简单，成本低，运营效率高。
Simultaneously, the transport trolley has the advantages of simple structure, low cost and high running efficiency.
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