All of these alternatives are carbon-based fuels whose molecules are smaller and simpler than those of gasoline.

所有这些替代品都是碳基燃料，其分子比汽油分子更小、更简单。

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All of these alternatives are carbon-based fuels whose molecules are smaller and simpler than those of gasoline.

所有这些替代品都是碳基燃料，其分子比汽油分子更小、更简单。

youdao

Each of these alternatives has different characteristics.

这些方案的每一个都有不同的特征。

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And what will be the hallmark of these alternatives (or perhaps replacements)?

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The bad news is that, over the past decade, the ratings agencies have taken steps to buy and control some of these alternatives.

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Mr. Burton's conclusion as to the benefit of these alternatives?

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