zài / jí / shì / shàng / nóng / mín / men / xǐ / huān / yǐ / wù / yì / wù / jiāo / huàn / nóng / chǎn / pǐn在集市上,农民们喜欢以物易物交换农产品。At the market, farmers like to barter agricultural products.