This flaw goes unnoticed for weeks until customers start rejecting shipments of the product and demanding immediate replacement-costing your company millions.

这个瑕疵一直没有被注意，直到几周后顾客拒绝交货并要求立即更换，这给公司带来了百万损失。

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Although PVC flooring is cheap to buy, it ends up costing more later; its tendency to become brittle requires frequent maintenance or replacement. The environmental costs are high as well.

尽管聚氯乙烯地板便宜，使用更久，但其易碎的特性使得它需要经常的维护和更换，环境代价也很昂贵。

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When a receiver will generate about 25kW of energy while costing less to make through cheaper mirrors and structures, a fully developed solar array could be an affordable replacement for coal power that delivers greater independence -- picture remote towns that need a fresh water supply.

ENGADGET