Poor durability, short service life and low economical efficiency of Bridges have become a worldwide difficult problem.

桥梁耐久性差、服务寿命短及全寿命经济性指标差等问题已成为世界性难题。

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It is true that costs may be cut in the short run, but often the product or service is of such a low quality that repair and rework costs go through the roof.

诚然，这样做在短期内可以削减成本，但是往往会使产品和服务的质量低下，结果是补救、返工的成本奇高无比。

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However it has some disadvantages, such as low productivity and short service life of the equipment.

但是这种设备有一些缺点，如：生产能力低、设备寿命短。

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Low-vision service is in short supply and poorly distributed.

WHITEHOUSE: Employing Technology to Restore Vision

Years ago, you needed a nursing qualification and be fluent in a foreign language in order to work for BA. But now, customer service experience is low and staff only stay for a short period of time.

BBC: BA Christmas strikes: Staff reaction