The objective function on line 20 minimizes the total food cost as the total of each decision variable (amount of food) multiplied by that food's cost per unit.
第20行的目标函数要对食物的总体成本实现最小化，该值是每个决策变量(食物数量)乘以每单位食物成本的结果。
It displays key details about the usage of a business service such as its volume, cost per unit, cost modifier, and the total cost in a particular period.
它显示关于业务服务使用情况的关键信息，比如使用量、单位成本、成本修饰符和某一时间段内的总成本。
Because adding to positions changes the total cost of the entire position on a per-unit basis toward the last price, a quick reversal to the original entry price can result in a significant loss.
因为加仓改变了整个仓位的成本，每个单位的成本都会走向最后的价格，快速的价格反转会带来巨大的亏损。
Economy of Scale the decrease in the long-term total cost of manufacturing a product due to the lower cost per unit for larger quantities produced.
规模经济大量生产导致单位成本的降低，并带来生产产品的长期总成本的降低。
Economy of Scale the decrease in the long-term total cost of manufacturing a product due to the lower cost per unit for larger quantities produced.
规模经济大量生产导致单位成本的降低，并带来生产产品的长期总成本的降低。
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