It is the best card for a frequent flier with some of the best frequent miles give out programs.

这是最好的一张牌，经常飞与一些最好的频繁英里，让出节目。

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If they don't have a frequent-flier ID card, travelers check in online or at kiosks and get a bar code on a printed boarding pass or on a mobile phone, just like at other airlines.

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Apply the same logic to customer loyalty programs like frequent flier miles, credit card rewards and online club accounts.

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Think of credit card companies offering frequent flier mile bonuses or discount brokers enticing IRA rollovers with cash bonuses.

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