名词
中文翻译：未声明的佣金
同义词：
['undisclosed commission', 'unauthorized fee']
例句：
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1. The company's decision to awardthe undeclared commission to athird party was unexpected.
公司决定将未声明的佣金授予第三方，这一决定出人意料。
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2. The undisclosed commission was a significantfactor in their decision to move forwardwith the project.
未披露的佣金是他们决定继续推进该项目的重要因素。
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3. The unauthorized fee for this service is $500.
这项服务的未授权费用为500美元。