cotton futures

例句：

1. 1.The cotton futures market is highly volatile, with prices fluctuating daily.
   棉花期货市场非常波动，价格每天都在变动。
2. 2.The company's cotton futures trading has been a major source of revenue.
   该公司的棉花期货交易一直是其主要收入来源。
3. 3. Investors are cautious about buying cotton futures due to concerns about the global supply chain.
   由于对全球供应链的担忧，投资者对购买棉花期货持谨慎态度。