Mài èrshǒuchē de shíhou, zhōngjiānshāng wǎngwǎng huì zhuànzǒu bùshǎo chājià.
When you sell a used car, the middleman often pockets a good share of the price difference.
Tips
culture
没有中间商赚差价 "no middleman making money on the difference" began as the slogan of a used-car website's TV adverts in the 2010s and became a catchphrase for buying direct, now also used jokingly about cutting out any go-between.