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58. Some peoplesay that the scarcity of food is a function of the finite limits of the earth’sresources, coupled with a relentless rate of population growth. This analysisfails to recognize, however, that much of the world’s agricultural resourcesare used to feed livestock instead of people. In the United States, for example, almostone-half of the agricultural acreage is devoted to crops fed to livestock. Asteer reduces twenty-one pounds of inexpensive grain to one pound of expensivemeat. Thus, the scarcity of food is not merely a function of limited resourcesand population growth. Which one of thefollowing is an assumption that would allow the conclusion in the argument tobe properly drawn?
请问这里这个问法到底是什么意思啊?an assumption that would allow the conclusion in the argument to be properly drawn?
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