名词
中文翻译：隐形供应
同义词：
['hidden supply', 'covert supply']
例句：
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1.The government's decision to cut back on military spending has raised questions about the effectiveness of its invisible supply.
政府决定削减军事开支，引发了对其隐形供应有效性的质疑。
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2.The company's ability to maintain a low profile is often attributed to its invisible supply of top talent.
公司能够保持低调，常常归功于其隐形的顶级人才供应。
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3.The hidden supply of weapons in the country's arsenal has been a concern for many years.
该国武器库中隐藏的供应多年来一直是一个令人担忧的问题。