so far as a function
of set aside figure as pass
into oblivion project onto lie in
more or less all but break down Airline management has ______ tried to solve the problem—high labor costs and volatile fuel prices, by merging to achieve economies of scale.
民航巨头的管理层或多或少都尝试过收购与兼并，希望获得规模效益，从而解决劳动力成本高昂、燃油价格波动剧烈的问题。