形容词中文翻译
中文翻译：未到期的
同义词：
['unexpired', 'unexpired', 'unexpired']
例句：
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1.The contract was signed on June 15th, so it's still undated.
合同是在6月15日签署的，所以还未到期。
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2.The documents were undated until the new year arrived.
直到新年到来之前，这些文件都是未到期的。
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3. The undated certificate of origin is a common requirement for many international trade transactions.
未到期原产地证书是许多国际贸易交易中常见的要求。