名词
中文翻译：Unknown
同义词：
['decreased level', 'diminished level']
例句：
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1. The company's financial performance has been reduced to a lower level than expected.
公司的财务状况已经降到了低于预期的水平。
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2. The amount of pollutants in the environment has been reduced to a safer level.
环境中污染物的量已经降到了一个更安全的水平。
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3. The production process has been reduced to a more efficient level.
生产过程已经被优化到了一个更高效的水平。