least costs meaning in English

最小成本

What domestic objectives are being pursued by industrial countries, and can they be met at least cost to themselves and to the developing world ?
工业国家正在追求什么国内目标？对他们自己和对发展中国家来说，这些目标是否能够以较小的代价来实现呢？
The best books for the most people at the least cost
以最低成本，提供最佳的图书给最多的读者。
The source tree built by the least cost
基于最小代价建立有源树
Operation policy : high - efficiency operation with least cost
经营方针：以最小的投资进行高效率的运营。
Least cost combination of inputs
最低成本的投入组合

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