“ITHIRST”Eachdaywater-relateddiseaseskill3,900oftheworl...
问题详情：“ITHIRST”Eachdaywater-relateddiseaseskill3,900oftheworld’schildrenAcrosstheworld,1.1billionpeoplehavenoaccesstocleandrinkingwater.Morethan2.6billionpeoplelackbasicsanitation(卫生设备).Theco...