Alas, explains Mark McClellan of the Brookings Institution, the most meaningful proposals have since been watered down or delayed.

布鲁克林斯机构的马克·麦克莱伦解释道，唉，最有意义的提案至此就被冲淡或延迟了。

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Alas, explains Mark McClellan of the Brookings Institution, the most meaningful proposals have since been watered down or delayed.

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But budgetary pressures may mean that they are watered down or further delayed.

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Other pledges have been blocked, delayed or watered down.

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