In some industries, however, substantial investment in high-quality advertising simply does not make sense from a cost-effectiveness viewpoint. Pharmaceutical companies, for example, might be better off limiting their advertising to specialized publications, and focus instead on other kinds of promotional programs, such as the distribution of free samples. And widespread, flashy advertising would probably have a limited effect on overall sales for companies such as Deere and Caterpillar, whose name recognition and long-standing reputations for quality products are well established and whose customers are unlikely to be swayed by sensational ads.

　　In sum, the speaker overgeneralizes. Not all companies have an equal need to invest heavily in high-quality advertising. Companies with new products and products that have little utility stand to benefit most from expensive, high-quality advertising. But other companies, especially those whose customers are businesses rather than consumers, would be better off focusing on product quality and reputation, not on sensational advertising.

　　小编提醒：考生们可在日常生活中多读范文，多练笔，培养出好的语感和逻辑，这样才能在考试中写出优秀的作文。

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