zài / shì chǎng jīng jì / zhōng / jià zhí guī lǜ / tiáo jié / shāng pǐn / de / shēng chǎn / hé / jiāo huàn在市场经济中,价值规律调节商品的生产和交换。In a market economy, the law of value regulates the production and exchange of goods.