perfectly inelastic demand

例句：

1. 1. The perfectlyelastic demand for a new smartphone is driving the market growth.
   对新款智能手机的完美弹性需求正在推动市场增长。
2. 2.The perfectly inelastic supply of oil has led to a shortage in some regions.
   石油供应的完美弹性导致某些地区出现短缺。
3. 3.The perfectly elastic demand for education is expected to increase as income levels rise.
   随着收入水平的提高，对教育的需求将变得完美弹性。