operation fee运行费用operationn.操作；运转；经营；行动；手术；运算；生效；（复）运筹学Operation of Qinghai-Tibet railway青藏铁路通车Operation of Screen Printing Machine丝网印刷机操作Operation and Maintenance Instruction操作与保养指令operation and management of nurseries苗圃经营管理Operation for Safeguarding Montevideo蒙得维的亚保卫战operation ship to increase production增产作业船operation controlled by back pressure反面压力控制操作operation by single locomotive driver单司机作业operation area for container terminal集装箱码头作业区operation microscope with double zoom连续变焦手术显微镜

1. My suggestion is that we should set up a working group.
   我的建议是我们应该建立一个工作小组。
2. A working group has discussed and amended the plan several times.
   有关工作小组就建议书进行了多次商讨及修改。