store of purchasing power

例句：

1. 1.The government has been storing up a largereserve of purchasing power for the future.
   政府一直在为未来储存大量的购买力。
2. 2. Thecompany's store of purchasing power isincreasing as it expands its market share.
   随着公司扩大市场份额，其购买力储备正在增加。
3. 3. The store of purchasing poweris a crucial factor in determining economic growth.
   购买力储备是决定经济增长的关键因素。