As soon as their season of usefulness is over, they become a burden upon the welfare resources of the community . 他们有用的季节一过，就成了这一地区福利资源的包袱。
It was already obvious that manpower was the measure alike of our military and economic resources . 人力同样是我们的军事和经济资源的度量的一个方面，这点已经是明显的。
Thence we deduce rules about the way in which the price-system will react to changes in tastes and resources . 从这里我们再演绎出价格体系对嗜好及资源的改变的反应规则。
Sedimentation is of vital concern in the conservation, development, and utilization of our soil and water resources . 泥沙淤积问题是水土资源的保持，开发和利用中最受关心的事。
The use of resources is determined by human choice and powerfully influenced by social and economic criteria . 资源的利用因为人类的选择而定，并且强烈地受社会及经济标准所影响。
They must implement reforms to reduce distortions, improve the allocation of resources, and increase domestic savings . 他们必须进行改革以减少扭曲，改善资源的配置和增加国内积累。
Advancing technology and affluence make it easier to modify living conditions and the management of resource . 科学技术不断发展和人们日益富裕使得生活条件的调节和资源的管理更加容易。
Advancing technology and affluence make it easier to modify living conditions and the management of resource . 由于科学技术不断发展，人们日益富裕，使得生活条件和资源的管理更加容易调节。
The immobility of both types of resources transforms them into potentially powerful engines in the development process . 这两种类型资源的不可移动性，使它们成为发展过程中的潜在的强大动力。
