单词：average_cost 

名词

• 
  [1.n.average_cost] (同义词:[average_cost]  )
• 
  注释列句：total cost for all units bought (or produced) divided by the number of units
• 上位词 -> [monetary_value(币值, 货币价值 )]  [value( n. 价值, 估价, 评价, 价格, [数]值, 确切涵义 vt. 估价, 评价, 重视 )]  [worth( prep. 相当...价值 n. 价值, 财产 adj. 值钱的, 值的看中的 )]  [quality( n. 质量, 品质, 性质 )]  [attribute( n. 属性, 品质, 特征, 加于, 归结于 )]  [abstraction( n. 提取 )]  [entity( n. 实体 )]