形容词
中文翻译：无单位的
同义词：
['unspecified', 'undefined例句：1. The unsigned contract is still valid until the end of the month.（未盖章的合同有效期至月底。）']
例句：
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1. The unsigned contract is still valid until the end of the month.
未盖章的合同有效期至月底。
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2.The results are unsigned, so we cannot verify them for accuracy.
结果未经签字，因此我们无法验证其准确性。
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3.The unsigned document should be signed by both parties before it becomes legally binding.
该文件未经双方签字前不具有法律效力。