The reason why proverbs can meet the requirements of advertisements is that they are terse and brief, often with moral significance, hence tending to persuade and guide.

• 谚语之所以能够满足广告的语言要求，就是因为谚语简洁精炼，蕴含着深邃的哲理，具有很强的说服力和明确的引导性。