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当你没有拧紧水龙头而让清澈的自来水白白地流失时,你可曾想到地球上已严重缺水,有许多地区的人们,由于缺水而遭受干渴的煎熬,从而导致死亡的悲惨情景吗?
When you did not tighten the faucet to let the clear water run out in vain, have you ever thought of the tragic situation of death that has been caused by severe water shortages in many parts of the world, people suffering from thirst due to lack of water?