Did you mean: doing dong ding dying tongs downs dingo donge ?
| 所为 | suǒ wéi | what one does / doings |
| 正外部性 | zhèng wài bù xìng | positive influence, effect that people's doings or behavior have on others (society) |
| 负外部性 | fù wài bù xìng | negative influence, effect that people's doings or behavior have on others (society) |