广告是宣传一个公司产品和服务的头号工具。
Advertising is the number one tool for promoting company's products and services.
然而，现在的食品公司却宣传其产品具有特定功效——而不只是食用安全。
But food companies are now claiming that their products provide specific benefits-not merely that they are safe to eat.
公司也会用口号宣传自己的品牌和产品。
Organizations also use taglines to brand themselves and their family of products.
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