通货膨胀使低收入家庭的购买力不断下降。 Inflation erodes the purchasing power of the families with lower income.
平价制度为保证在选定的基期内农民具有相同的购买力而主要由政府支持的农产品价格水平 A level for farm-product prices maintained by governmental support and intended to give farmers the same purchasing power they had during a chosen base period.
购买力增长了。 Purchasing power has risen.
靠固定收入生活的人其购买力因通货膨胀而下降。 Inflation reduces the purchasing power of people living on fixed incomes.
