To sustain example sentences

Children who are inattentive find it difficult to sustain mental effort during work or play.If the demand for the merchandise handled by multiple shops change rapidly, the management may have to sustain huge losses because of large stocks lying unsold at the central depot.They were unable to grow foodgrains to sustain their families.Judicious use of chemicals required for agricultural practices can lead to sustainable development.Further, it was believed that the existing gold stock would be insufficient to sustain the growing demand for international liquidity.Despite nature's monsoon bounty, failure to sustain water availability underground has resulted largely from the loss of vegetation cover, diversion for high water demanding crops, and pollution from industrial effluents and urban wastes.The money is not enough to sustain his family of six— that includes his wife and four children aged betweem 12 years to six months.Farmers clear a patch of land and produce cereals and other food crops to sustain their family.May be we should also think about how we ought to be using our resources so as to sustain the resources and conserve our environment.