互不信任增加了社会运行的成本，也让人的情绪变得负面。
Mutual distrust increases cost in the social operation and also makes people's morale become negative.
社会的运行需要成本。
两年来的运行实践表明，该设计大大降低了吨氨能耗和成本，并已产生了很大的社会效益和经济效益。
The operation practices showed that this technical design could greatly reduced the cost and the energy consumption of ammonia per ton and had made a great deal of economy benefit.
两年来的运行实践表明，该设计大大降低了吨氨能耗和成本，并已产生了很大的社会效益和经济效益。
The operation practices showed that this technical design could greatly reduced the cost and the energy consumption of ammonia per ton and had made a great deal of economy benefit.
应用推荐