foreign exchange futures的用法和樣例：
例句
- Futures is one of the types of financial futures.
外匯期貨是金融期貨的一種。 - Another Chicago-based exchange is the Chicago Mercantile Exchange, which originally traded mainly in farm products, but has branched out to trade in foreign currency futures.
芝加哥的另一家交易所是芝加哥商品交易所，從前主要經營農業品，現在發展到經營外匯期貨。
