commodity transaction的用法和樣例：
例句
- Many commodity futures are bought and sold on commodity markets, which means that future deliveries are organized.
很多商品的期貨是在商品交易市場(chǎng)上進(jìn)行交易的，而在以后進(jìn)行支貨。 - The commodity exchange market is one of Beijing circulation of commodities main channels.
商品交易市場(chǎng)是北京商品流通的主要渠道之一。
