operationalist操作主义者operationaladj.操作的；运作的；可用的；作战的operational algorithm运算算法Operational Extension业务扩充operational perfomace运行特征operational delay time操作延迟时间operational throughput运输量operational reliabihty运行可靠性operational objectives操作对象operational deployment战役展开operational procedures操作程序operational management业务领导

1. Net income Revenues less operating costs.
   净收入收入减去经营成本。
2. Businessmen say eating separately raises cost and they would be happy to accept eating together if diners choose so.
   而商家也表示，分餐增加了经营成本，如果消费者选择合餐，他们会更乐意接受。