externality的例句（externality在句子中的用法）

• The damage caused by second - hand smoke in pubs is not an externality. 在酒吧中,二手烟造成的伤害不属于外部性.
• Pollution is considered as a form of negative externality in economic growth. 摘要环境污染是经济增长过程中的“负产品”.
• Keywords: ahazard potency of debris flow, externality, cost - benefit analysis. 关键词: 土石流特定水土保持区 、 外部性 、 成本效益 分析.