translation.en: That's bioprocessing, you know; that's bio-assisted technology: using an organism to do your wastewater treatment is an old, old technology called "domestication."
translation.zh: 那是生物处理， 是生物辅助技术： 使用生物来处理废水 是一种非常、非常古老的技术，叫做" 驯养。"