There is not much time before Copenhagen, but there is enough to open up an alternative track.

距离哥本哈根会议召开的时间不多了，但足以提出一个新的解决方案。

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Other alternative input devices include single switch devices, devices that track head movements, and alternative keyboards for persons with mobility impairments.

其它可选择的设备包括单一切换设备、跟踪头部移动的设备，和用于行动困难的人可选择的键盘。

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If prayer and faith healing had a proven track record of success, it could be argued by the Wylands and other defendants that they provided a legitimate, proven alternative to medical care.

假如祈祷和信仰疗法确实有成效，Wyland夫妇和其他被告就可以声称，他们为医药护理找到一种合法的、可行的替代选择。

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There is not much time before Copenhagen, but there is enough to open up an alternative track.

ECONOMIST: How to get negotiations on the right track for a deal

There are a growing number of exchange-traded funds (ETFs) that track various alternative energy indices.

CNN: The smart money's on green

Failing to make these changes "will put us on track to alternative futures with severe and potentially catastrophic implications for human well-being".

BBC: Scientists urge Rio moves on population and consumption