“ITHIRST”Eachdaywater-relateddiseaseskill3,900oftheworl...
問題詳情：“ITHIRST”Eachdaywater-relateddiseaseskill3,900oftheworld’schildrenAcrosstheworld,1.1billionpeoplehavenoaccesstocleandrinkingwater.Morethan2.6billionpeoplelackbasicsanitation(衛生設備).Theco...