The trading of emission allowances then gives companies an incentive to seek the most cost-efficient solutions.

碳排放限额的交易能激励公司去寻求最有效率的解决方案。

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We are strengthening our position on the Nordic and European market with the most cost-efficient airplane available,' said Bj?rn Kjos, CEO of Norwegian Air Shuttle ASA.

我们正在通过获得最合算的飞机，来加强我们在北欧和欧洲市场的地位。

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It offers true multi-channel access to any application with virtually any device, including voice, and is the fastest, most cost-efficient way to start streamlining mobile business processes.

该产品可通过任意设备(包括语音)对几乎任意应用程序提供真正的多渠道访问，是当今简化移动商务过程的最快和最具低成本高效益特点的方法。

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That low spending coupled with on-field dominance has makes Kansas State the most cost-efficient team in college football.

FORBES: Best College Football Teams For The Money

This means Ubuntu is ready to run on the most cost-efficient chipset designs.

ENGADGET: Canonical announces Ubuntu for smartphones, we go hands-on (video)

So, check out this article from CNet.com to help you pick the best and most cost-efficient cellphone carrier, plan and phone.

FORBES: Call of the Wild: 7 Strange Smartphone Habits