动词短语
中文翻译：撤销证书
同义词：
['revocation of certificate', 'revoke a certificate']
例句：
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1. The company has decided to revoke the employee's certification due to poor performance.
由于表现不佳，公司决定撤销员工的证书。
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2. The government has ordered the revocation of all illegal weapons exports.
政府已下令撤销所有非法武器出口。
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3. The bank issued a new credit card, but the old one was revoked immediately.
银行发行了新的信用卡，但旧的立即被撤销。