客运营业利润是铁路客运的主要效益指标。
Operation profit is the main index for railway passenger transport.
治理环境污染的主要效益是健康效益，即降低发病率和死亡率，但治理污染要消耗稀缺资源（经济成本）。
The main benefits of pollution abatement are health benefits, i. e. decreasing morbidity and mortality. But abatementcosts scarce resources.
自动化带来的主要效益，可能并非来自人力成本的降低，而是源于减少错误率、提高产出、改善质量、安全性和速度导致的生产效率的提高。
Most benefits may come not from reducing labor costs but from raising productivity through fewer errors, higher output, and improved quality, safety, and speed.
应用推荐