动词短语
中文翻译：签名
同义词：
['signature', 'endorse', 'ratify', 'confirm', 'verify']
例句：
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1. When signing the contract, make sure to double-check your signature.
在签署合同时，请确保您的签名是双重的。
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2. The company's decision was finally confirmed by the chairman.
公司的决策最终由董事长确认。
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3. The document needs to be signed by both parties before it can be legally effective.
这份文件需要在双方签字后才能具有法律效力。