名词
中文翻译：不可持续性
同义词：
['unsustainability', 'unsustainable']
例句：
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1.The company's financial performance is unsustainable due to high operating costs.
由于高昂的运营成本，公司的财务状况不可持续。
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2.The project's sustainability depends on the ability to reduce waste and pollution.
项目的可持续性取决于减少浪费和污染的能力。
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3.The research suggests that climate change will make many ecosystems unsustainable in the long run.
研究表明，气候变化将使许多生态系统在长期内变得不可持续。