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我们常称广告是经济的润滑剂,广告业当然在很多方面造福社会,它鼓励新产品的发明,它给消费者带来更广阔的选择余地,它帮助降低成本和售价,它鼓励竞争。广
We often call advertising an economic lubricant. The advertising industry, of course, benefits the community in many ways. It encourages the invention of new products. It gives consumers a wider choice. It helps reduce costs and selling prices and encourages competition. wide