It goes on to define public welfare to include "effects on soils, water, crops, vegetation, manmade materials, animals, wildlife, weather, visibility, and climate".

而且这个法案还定义了公众幸福感，包括对于土壤，水，农作物，植被，人造材料，动物，野生生物，天气，空气可见度和气候的影响。

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The thesis studies how should the regulation sector of water industry design incentive mechanism in order to maximize social welfare under information asymmetry.

本文研究了在信息不对称条件下，自来水行业的管制部门如何设计激励机制实现有效管制的问题。

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Soil fluorine, especially water-soluble in the soil, has closely associated with the fluorine content in plants, thus affects human welfare greatly.

土壤氟(特别是土壤水溶性氟)与植物体的氟含量密切相关，从而也与人体健康密切相关。

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The 1999 budget reduces social and environmental spending, including health, education, sanitation, water supply, land reform and welfare programmes.

ECONOMIST: Poor Brazil

Det Insp Louise Fleckney said police were "extremely concerned about his welfare" and said there was a chance he could have fallen into the water.

BBC: Artur Liana, issued by Northamptonshire Police

As well as animal welfare concerns over rearing large numbers of farm animals in close proximity, the water use, farmland for animal feed, waste and greenhouse-gas emissions associated with meat production make it one of the most significant environmental problems in the world today.

CNN: Lab-grown meat gives food for thought