inversely varying cost

例句：

1. 1. The cost of production has inversely varied with the increase in demand.
   生产成本与需求的增加呈反向变化。
2. 2. Thecompany's profitability is inversely related to its market share.
   公司的盈利能力与其市场份额呈反向关系。
3. 3. Thecost-effectiveness ofthe new technology was inversely proportional to its complexity.
   新技术的成本效益与其复杂性成反比。