形容词
中文翻译：不实在的
同义词：
['unreal', 'untrue', 'flimsy']
例句：
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1. The report was insubstantial, and the conclusions were based on a single piece of evidence.
这份报告不真实，结论仅基于一项证据。
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2. The new design is insubstantial, and it won't hold up under heavy use.
新设计不牢固，经不起重用。
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3. The company's financial statements are insubstantial, and investors should be cautious abouttheir investments.
公司的财务报表不真实，投资者应谨慎投资。