名词
中文翻译：不足
同义词：
['deficiency', 'insufficiency']
例句：
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1.The lack of funding has made it difficult for the project to proceed.
资金的缺乏使得项目难以继续。
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2. The teacher's explanation was insufficient to fully understand the concept.
老师的讲解不足以完全理解这个概念。
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3. The company's financial insufficiency is a major concern for investors.
公司的财务不足是投资者们的主要担忧。