| 1. | Fuelwood is becoming too expensive to buy and too scarce to gather .
薪材日益昂贵和稀缺，既买不起又拣不到。 |
| 2. | The central concern of economics is expressed in the concept of scarcity .
经济学关心的中心问题是以稀缺的概念表示出来的。 |
| 3. | Physical capital is a scarce resource in rich and poor countries alike .
不论是在富国还是在穷国，物质资本都是一种稀缺的资源。 |
| 4. | Economics must still contend with scarcity as a basic fact of life .
经济学仍然必须和稀缺相周旋，把稀缺当作生活中一种基本的事实。 |
| 5. | Costs, not physical scarcity, are the only economic test of a shortage of natural resources .
自然资源匮乏的唯一经济判断是成本，而不是实物的稀缺。 |
| 6. | More recently, economists have also been obliged to deal with the concept of absolute scarcity .
最近以来，经济学家们又不得不去研究绝对稀缺这一概念。 |
| 7. | Economics is the study of how people choose to use scarce or limited productive resources .
经济学研究人们如何进行抉择，以使用稀缺的或有限的生产性资源。 |
| 8. | Traditional economics is concerned primarily with the efficient, least-cost allocation of scarce productive resources .
传统经济学主要是涉及稀缺生产资源耗费最少的有效配置。 |
| 9. | Talented teachers and gifted students, are still as scarce(and refreshing)as rain in the desert .
有才能的老师和天赋较高的学生，仍象沙漠里的甘霖那样，能令人精神为之一振，都又稀缺得可怜。 |
| 10. | On scarcity of time and alienation of relaxation
论时间的稀缺性与休闲的异化 |
