Reference letter and letter of commitment.

推荐信及承诺书。

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This Letter of Commitment shall enter into force from the date of signing.

本承诺函自承诺人签字之日起生效。

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And in line with a European Commission demand, he insists that both party leaders should sign a letter of commitment to the new bail-out terms.

为了响应欧洲委员会的要求，他坚持认为，两党领导人应该签署新的纾困条款承诺书。

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And in line with a European Commission demand, he insists that both party leaders should sign a letter of commitment to the new bail-out terms.

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She said ministers had not "honoured either the spirit or the letter" of its commitment.

BBC: Legal aid: Government defeated in Lords

As a demonstration of this commitment, the Minister delivered a letter of intent to the UNESCO representative present, Ms Victoria Uranga, regarding the UNESCO Paris OER Declaration, which was approved in Paris in June.

UNESCO: MEDIA SERVICES