What is inflation? Why does it happen?

inflation

n.

胀大, 夸张, 通货膨胀, (物价)暴涨

inflation

n.（名词）

The act of inflating or the state of being inflated.

充气：充填气体的动作或被充气的状态

A persistent increase in the level of consumer prices or a persistent decline in the purchasing power of money, caused by an increase in available currency and credit beyond the proportion of available goods and services.

通货膨胀：由于市场上通货和信用货币增到超过市场所提供的商品和服务而导致的消费品价格水平的持续上涨和货币购买力的持续下跌

inflation

n.

膨胀；充气

夸大

通货膨胀，物价上涨

Inflation erodes the purchasing power of the families with lower income.

通货膨胀使低收入家庭的购买力不断下降。