SmoggyweatherstruckthenorthofChinaoverandoveragain,itha...
問題詳情：SmoggyweatherstruckthenorthofChinaoverandoveragain,ithadagreateffectonourlifeandhealth.Airpollutionactualjumpedtoalarminglevelslastmonth,accordingtothe weatherreport.Asaresult,wealwaysbecamec...