71.   The big airlines say they are simply more efficient.

72.   The big airlines that started Orbitz have two motivations.

73.   The big airlines, from Lufthansa AG to KLM Royal Dutch Airlines NV, need the help.

74.   The big airlines compete for passengers by offering better deals on cut-rate advance purchases.

75.   The big airlines have attacked the idea of guidelines as a first step toward a reregulation of the industry.

76.   The big airlines would pay fees for connecting flights as if they were one flight.

77.   The alliances were announced at a time when concern in Washington about the power of the big airlines to dominate major airports was already on the rise.

78.   The Comet service will make its debut with Orbitz, the online travel agency owned by a group of big airlines.

79.   The big airlines have also been lobbying Congress, and they took their campaign to the public.

80.   The big airlines, however, are very selective about when and where they compete with smaller rivals on price.