| 单词 | externality |
| 释义 | externality /ek'steuhr nal"i tee/, n. , pl. externalities. 1. the state or quality of being external. 2. something external; an outward feature. 3. excessive attention to externals. 4. an external effect, often unforeseen or unintended, accompanying a process or activity: to eliminate externalities such as air pollution through government regulation. [1665-75; EXTERNAL + -ITY] |
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