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The chemical compound, ethanol, has risen in recent years as the most viable alternative to fossil fuels.
化合物乙醇近年来作为最可行的化石燃料替代品开始兴起。
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There is no viable alternative.
没有其他可行的措施。
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If industrial agriculture is to be replaced, what is a viable alternative?
如果工业化农业要被取代,那么可行的替代方案是什么呢?
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Coal is one viable alternative.
煤是一种可行的代用品。
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True, but the SDR is not a viable alternative.
这是事实,但是,特别提款权不是一种可行的选择。