Zài / shāng / pǐn / jīng / jì / zhōng / shāng / pǐn / hé / fú / wù / tōng / cháng / tōng / guò / shì / chǎng / jìn / xíng / jiāo / huàn

在商品经济中，商品和服务通常通过市场进行交换。

In a commodity economy, goods and services are usually exchanged through the market.