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。

youdao

Having such a variable cost base makes it easier to reduce expenses without cutting jobs.

依靠一个可变的成本基数，他们更容易不用裁员就可以减少成本。

youdao

The allocation is considered the largest variable cost in an uncontested lock operation.

该分配被认为是无争用锁定操作中最大的可变开销。

youdao

"The bank will estimate its costs based on its fixed costs, variable costs, the cost of their employees, the rent and so on and so forth.

VOA: special.2009.12.11

Worst still are the high cost variable annuities with mutual fund clones that pervade the governmental defined contribution plans.

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The key is making the infrastructure scalable and affordable, while developing a variable cost model.

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Instead, advertising becomes a variable cost of production that measurably results in making more profit.

ECONOMIST: Internet advertising