But carbon fiber, which is used only sparingly now because of its cost and complexity, is understudying for a larger role.

由于碳纤维的高成本和复杂性，因此宝马对它的使用还比较谨慎，但它未来必然会在宝马汽车上扮演更大的角色。

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So do tax incentives that cut the cost of hiring, particularly for extra new workers-which is why it makes sense for America to extend, and even expand, its payroll-tax cut.

税收减让措施也应该这样做以减少雇佣成本，特别是对新进来的额外工人—这就是为什么对于美国来说扩大甚至扩张减少工资薪金税有意义。

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For P&G’s management, the biggest appeal may be the cost savings, which rumours suggest may be 15-25% of its previous travel budget.

对于保洁管理层来说，该系统最大的优点应该是节省成本，据说只有从前差旅预算的15%到25%。

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New Choice Health, which does not charge for its service, lists the average cost insurance companies pay for 400 different procedures at different facilities across the country.

CNN: How to bargain hunt for health care

Austin, Texas, which holds the No. 2 spot, also stands out for its low cost of living, varied-size companies and diverse talent pool.

FORBES: The Best Cities for Finding Employment

The PlayStation 3 was criticized for its high retail price, which came in part because of the cost of the specialized chips that ran it.

WSJ: Sony Announces PlayStation 4 Videogame Console