名词
中文翻译：未实现
同义词：
['failure', 'non-fulfillment', 'unmet expectation']
例句：
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1. The project was supposed to be completed by the end of the year, but it's still unfulfilled.
这个项目本应在年底前完成，但现在仍未实现。
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2. Many students struggle with their studies due to financial constraints, leading to a sense of unfulfillment.
由于经济困难，许多学生在学习上感到挫败，这导致了一种不满足感。
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3.The company has not yet achieved its full potential, leaving many employees feeling unfulfilled in their roles.
该公司尚未完全发挥其潜力，导致许多员工在岗位上感到不满足。