Nineoutof10peopleontheplanetbreathepollutedair,evenoutd...
問題詳情：Nineoutof10peopleontheplanetbreathepollutedair,evenoutdoors,theWorldHealthOrganisationsaid.Some92%ofthepopulationliveinplaceswhereairpollutionexceeds(超過)WHOlimits.Airpollutioncancontributeto...