Reference letter and letter of commitment.

推荐信及承诺书。

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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.

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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Article 9 When patent agencies accept consignments and handle business, they shall have a consignor's letter of commitment clearly stating commissioned items and powers.

第九条专利代理机构接受委托，承办业务，应当有委托人具名的书面委托书，写明委托事项和委托权限。

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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.

ECONOMIST: How not to form a government

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