名词
中文翻译：总净附加成本
同义词：
['total additional costs', 'total extra costs', 'total additional expenses']
例句：
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1. The company's total net additional costs were $500,000.
该公司的总净附加成本为50万美元。
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2. The project's total net additional costs exceeded the budget by $300,000.
该项目的总净附加成本超出了预算30万美元。
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3.The increase in total net additional costs was due to higher raw material prices.
总净附加成本的增加是由于原材料价格的上涨。