64. The imposition of quotas limiting imported steel will not help the big American steel mills. In fact, the quotas will help “mini-mills” flourish in the United States. Those small domestic mills will take more business from the big American steel mills than would have been taken by the foreign steel mills in the absence of quotas.
Which of the following, if true, would cast the most serious doubt on the claim made in the last sentence above?
(A) Quality rather than price is a major factor in determining the type of steel to be used for a particular application. (B) Foreign steel mills have long produced grades of steel comparable in quality to the steel produced by the big American mills. (C) American quotas on imported goods have often induced other countries to impose similar quotas on American goods. (D) Domestic “mini-mills” consistently produce better grades of steel than do the big American mills. (E) Domestic “mini-mills” produce low-volume, specialized types of steels that are not produced by the big American steel mills.
64. If, as choice E asserts, large and small mills produce different types of steels, increasing sales by small mills need not lead to decreasing sales by large one. Thus, choice E casts a serious doubt on the claim and is the best answer.
Choice A does not present enough information about the relative quality of steel from foreign and domestic mills to cast any doubt on the claim. Similarly, choice B does not provide enough information about small American mills, nor does choice C provide enough information about the likely consequences of quotas imposed by foreign countries to cast doubt on the claim. Choice D tends to support the claim, since better steel should sell better than poorest steel.
请问og解释中increasing sales by small mills need not lead to decreasing sales by large one是什么意思?谢谢!
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