求翻译：广告商在广告中有时采取直截了当的方法颂扬其产品的优点，有时则隐约其辞，既声称其产品优于一切，又不公开如此表述。在这种情况下，前提（presupposition）和期待（expectation）就得到了广泛的应用。因为前提比陈述难于否定。是什么意思？

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advertising business in advertising sometimes taken in straightforward way celebrating the benefits of products, and sometimes it is subtle, it is claimed that their products better than all, it is not the case. In this case, the premise (presupposition) and look forward to (expectation) is a wide r

Sometimes the advertising agent adopts the straightforward method in the advertisement to praise its product the merit, then sometimes indistinct its refined language, both declared its product surpasses all, and is not public so indicates.In this case, premise (presupposition) and anticipated (expe

Advertisers sometimes in advertising the advantages of taking a straightforward approach to celebrate their products, sometimes yǐn yuē qí cí, both claim that their product is superior to all, and not openly expressed. In this case, the premise (presupposition) and expectations (expectation) on a wi

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