It is impossible to be allegiant to two opposing forces.

对两种敌对势力都忠心效力是不可能的。

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It did for Paul Marr, who works for an advertising agency in Vancouver and recently found $120 in unexpected fees on his Allegiant Air ticket.

温哥华一家广告公司员工Paul就是例证，他发现自己的Allegiant Air航空公司机票中多了120美元意料之外的费用，于是试图通过正规渠道联系航空公司。

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Allegiant joins Spirit Airlines as the second U.S. carrier to implement fees for carry-on luggage.

CNN: Allegiant Air adds carry-on fee

But fuel accounts for 49% of Allegiant costs and nearly as much for Spirit, he said.

FORBES: Airlines, Not Yet Where They Want To Be, Make 21 Cents Per Passenger

None of them include Southwest's fares, however, or fares on the smaller but growing Allegiant Airlines.

CNN: The skinny on finding airfare deals