lǎo wáng / zuò shēng yì / jiǎng jiū / gōng mǎi gōng mài / suǒ yǐ / huí tóu kè / hěn duō

老王做生意讲究公买公卖，所以回头客很多。

Lao Wang pays attention to fair trade in his business, so he has many repeat customers.