单词 | emissions |
释义 | emissions Substances given off by people or productive processes. These may be solid particles or liquids deposited in rivers or the sea, or solid particles and gases put into the atmosphere. Emissions are an inescapable fact of life: people emit carbon dioxide when they breathe. Economists are interested in emissions which have adverse external effects on people, animals, or plants. pollution can be checked in the short run by taxing or restricting activities involving a lot of harmful emissions, and in the longer run by research on alternative productive techniques involving fewer or less harmful emissions. |
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