There are many ways to control the service of chain stores. The Mystery Survey which is broadly used is an effective way to reduce the "Delivery Gap" in the total service gap.

在众多控制连锁零售店服务质量的方法中，神秘人的方法可以缩小服务质量差距中的“传递差距”，现已被越来越多的连锁品牌所使用。

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Software that is provided as a service attempts to bridge the gap between software that runs locally and software that runs remotely (that is, "in the cloud").

软件即服务企图在本地运行的软件和远程运行(即“在云中”)的软件之间的缺口上架起一道桥梁。

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The challenge for airlines is to close the gap between passenger expectations and service delivery without compromising the low ticket prices that are synonymous with budget airlines.

航空公司面临的挑战在于，让服务交付尽量符合乘客的期望，而无需牺牲廉价航空的制胜法宝——低票价。

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Stephen Barry, specialist clinician for the Be Safe Service, said the new approach would meet a significant gap in service for this age group.

BBC: Young girl sits on a staircase and covers her face.

Mr Sharpe has started a company, Financial Engines, to provide an Internet service to fill this gap.

ECONOMIST: Money managers

But an official study in 2010 said payday loans provided a legitimate, useful, service that helped cover a gap in the market.

BBC: Payday loan rates 'to be limited'