In the past the trust-busters at the Department of Justice (DoJ) have taken a hostile view of big airline mergers, fearing that they would cut competition, raise prices and harm services.

• 过去司法部反托拉斯的官员们对大航空公司合并抱着敌视的态度，担心它们会削弱竞争，抬高价格并损害服务水平。