They hope to reduce unitcosts through extra sales.
他们希望通过额外销售降低单位成本。
《柯林斯英汉双解大词典》
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Financial Models: Although increased competitive pressures are causing individual product unitcosts and prices to fall, the complexity and cost associated with new product solutions continue to grow.
Japanese car manufacturers have achieved unitcosts of production well below those of more traditionally organised European and American manufacturers with twice their volume.