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The control of these species is difficult and costly , yet many are widely available with little indication of the damage they can do if they are allowed to escape into the wild or disposed of carelessly . Click here to learn more Planning for Wildfires Wildfires are both dangerous and costly , yet people continue to build in wildfire-prone areas . For a less costly , yet effective alternative , the mission recommended that the coalition study the recent successful experience of several Latin American countries . In the furniture of these back-wood dwellings there is nothing rich or costly , yet there is such an air of neatness diffused over it , and effect brought out , that they always recalled to me the painted cottage scenes of a theatre . Americans live with chronic conditions , affecting their quality of life and leading to costly , yet preventable , health problems . This undertaking is difficult and costly , yet worthy of our country and critical to our security . The control of these species is difficult and costly , yet many are widely available with little indication of the damage they can do if they are allowed to escape into the countryside or disposed of carelessly . Every one spoke of her with that degree of pity which it is pleasant to experience ; every one was ready to do her the little kindnesses which are not costly , yet manifest good will and when at last she died , a long train of her once bitter persecutors followed her , with decent sadness and tears that were not painful , to her place by Ilbrahim 's green and sunken grave .