也就意味着消费者不会太有动力节约用水，投资者也不会太有动力建造水管和其他基础设施使水被用于最需要的地方。
This means that consumers have little incentive to conserve it and investors have little incentive to build pipes and other infrastructure to bring it to where it is needed most.
如果它不得不为每两个孩子雇佣一名看护者，那么当其他费用上涨时，它就无法节约劳动力成本。
If it has to hire a caregiver for every two children, it can't really achieve any economies of scale on labor to save money when other expenses go up.
新技术 - 包括节约劳动力的发明，工厂生产，化石燃料驱动的发动机 - 在西欧的其他国家传播着，之后到了美洲。
The new technologies—labour-saving inventions, factory production, engines powered by fossil fuels—spread to other parts of western Europe and later to America.
应用推荐