The Republicans' "Pledge to America", presented to voters last year, included a promise to bar public funding for abortions.

共和党人去年向选民做出了“承诺美国”的保证，其中承诺禁止将公共资金用于堕胎。

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However, the value of this pledge has been reduced by the lack of an agreed start date from which the emission cuts should be measured, making it a distant promise.

然而，这一承诺的价值却由于未能对减排测量的开始日期达成一致而大打折扣，使之成为一个遥不可及的承诺。

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Not only did America promise $4 billion, the biggest ever contribution to the agency, but it did so for the first time as a three-year pledge.

作为最大的捐赠者，美国不仅已答应捐款40亿美元，而且首次承诺三年连续捐款。

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Today 10 new tycoons signed on to the Gates-Buffett Giving Pledge, the promise that 69 super wealthy folks have made to give away at least half their wealth to charitable causes.

FORBES: Is The Gates-Buffett Giving Pledge Really Spurring New Giving?

To say that Congress may withdraw or ignore that pledge is to assume that the Constitution contemplates a vain promise, a pledge having no other sanction than the pleasure and convenience of the pledgor.

FORBES: Can Obama Really Use The 14th Amendment To Raise The Debt Limit?

At the launch, held in the National Theatre, a packed auditorium heard government officials pledge their support and promise action.

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