cross hedging的用法和樣例：
例句
- Average options suitable for those with regular income or the cost of hedging persons.
平均期權適合於那些具有經常性的收入或費用的避險者。 - The purpose of derivatives is hedging, risk diversification, but it is their own lack of transparency, the lack of supervision, including the futures market.
衍生工具的目的是避險，分散風險，但其做法是本身不透明，缺乏監管，包括期貨市場。
