Besides, the argument that Britain cannot be a good European if it rejects the euro has an obvious flaw.

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The one possible flaw in the theory: Stores do such a good job predicting demand and managing inventory levels that less discounting than expected will be needed.

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The only real flaw in the product, though, was how Cisco treated it like a finished good.

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The flaw in this idea might be that successful managers will be tempted to quit while the going is good.

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