- 负外部性 fùwàibùxìng negative externalityNegative influence or effect that an activity or behavior has on others or society.
- 正外部性 zhèngwàibùxìng positive externalitypositive externality; the positive effect that the actions of individuals or organizations have on others or society
- 外部连结 wàibùliánjié external link(Tw, HK) external link
- 外部链接 wàibùliànjiē external linkexternal link (on a website)