正外部性 zhèng wài bù xìng 🔊 positive influence, effect that people's… + Keep this word Meanings zhèng wài bù xìng positive influence, effect that people's doings or behavior have on others (society) Its characters 正zhèngstraightHSK 2外wàioutsideHSK 1部bùministryHSK 4性xìngnatureHSK 4