Wealwaysreadreportsaboutcostsofoilgoingupandwewillthi...
問題詳情： Wealwaysreadreportsaboutcostsofoilgoingupandwewillthinkthisisourmostvaluablematerial.However,wateristhemostvaluableresource(資源).PeopleintheMiddleEastaremoreworriedaboutthisthanoil.Maybet...