Competitor aged under 21, this application form must be countersigned by guardian.
年龄未满21岁之赛员, 必须由监护人于表格上签署.
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该安全目录无效.反签名该安全目录的证书无效.
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When the Sales Contract has been signed by the seller, it countersigned by the buyer.
销售合同经卖方签署后, 须经买方会签.
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