专家认为，可再生能源现在面临的首要问题是信贷紧缩会持续多长时间，原油和天然气价格会跌到什么程度。

The central questions facing renewables now, experts say, are how long credit will be tight and how low oil and natural gas prices will fall.

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关于谁会购买以及以什么样的价格购买Facebook这个问题，在博客世界和主流媒体之间有很多猜测。

There has been much speculation in the blogosphere and mainstream press regarding who will buy Facebook and for what acquisition price.

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我理解为什么消费者认为我们的问题在于汽油的价格——因为一旦油价上涨他们会立刻受到伤害，大多数人是在抽油机那里感受我们的能源体系。

I understand why consumers think we have a gasoline price problem - because they are immediately hurt by higher gas prices and the pump is where most people touch our energy system.

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