hěn duō / guǎng gào / yòng yǔ / qí shí / shì / tào tao luó jí / bǐ rú / hǎo chǎn pǐn / jiù shì / hǎo chǎn pǐn

很多广告用语其实是套套逻辑，比如“好产品就是好产品”。

Many advertising slogans are actually tautologies, like 'a good product is a good product.'