Taxes can also be an important tool for environmental protection, and many economists say taxing carbon would be the best way to reduce greenhouse gas emissions.

税收也可以作为环境保护的一个重要工具。许多经济学家认为，征收碳税会是减少温室气体排放的最佳途径。

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Many economists say that may not happen until late this year or early next year.

许多经济学家说，在今年底或明年初之前，利率不太可能提高。

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But many economists say the bigger issues to worry about include bad bank debt and lack of liquidity.

VOA: standard.2009.04.02

Many economists say, without far-reaching regulatory reform, the United States risks a repeat in the future.

VOA: standard.2010.02.07

But many economists say the slowdown was temporary and that hiring likely picked up this month.

NPR: US Consumer Confidence Up On Better Hiring Outlook

Many economists say that the Bank of Japan should set an inflation target of, say, 1-2%.

ECONOMIST: Japan has hitched a ride on China's boom

Without reform, the sustainable rate of growth is no more than 4% a year, many economists say.

ECONOMIST: Brazil: Lazy, hazy days for lucky Lula | The