The Asia-Pacific Cup Commitment Letter can be signed in both Chinese and English, and the requirements and regulations of the Commitment Letter need to be followed. The letter of commitment needs to sign the full name or abbreviation of the individual and indicate the date of signing. If it is required to be signed in Chinese, the full Chinese name of the signatory shall be indicated in the letter of commitment and signed as required. If it is necessary to sign in English, the full English name of the signer shall be indicated in the letter of commitment and signed as required. It should be noted that the commitment letter needs to be signed clearly and legibly, and meet the requirements of relevant laws and regulations.