Southwest Airlines flies alone among the four biggest US carriers in hedging the cost of jet fuel. Its stubborn commitment to the policy is paying off as oil prices hover above $100 a barrel.
西南航空(Southwest Airlines)是美國四大航空公司中唯一一家對沖航空燃油成本的航空公司。隨著油價在每桶100美元上方徘徊，它對這一策略的堅定承諾正在得到回報。
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