production
n.生产，产品；作品；（研究）成果
Production of computers has doubled in the last few weeks.
电脑的产量在过去几周已经翻了一番。
saving
n.存储
Investment and savings are co-related.
投资和储蓄是相互关联的。
investment
n.投资；可获利的东西
Ten million dollars was the amount of the investment sent to China to create joint adventure.
有人向中国投资一千万美元来建立合资企业。
expenditure
n.支出，话费
capital
n.资本，资金；资产
He invested his capital to the best advantage.
他在最有利可图的领域投资。
currency
n.通货；通用；市价
We exchanged our currency at a bank in the airport.
我们在机场的一家银行里兑换了货币。
denomination
n. (种类、数值或大小的)单位
Cash registers have compartments for bills of different denominations.
收银机有存放不同面额货币的隔层。
demand
n.要求，需求（力量）；需要
supply
n.补给，供给；供应品
purchase
n./vt. 购买(buy)
The purchasing power of the people has been increasing.
人们的购买力持续增长。
inflation
n.通货膨胀
Inflation erodes the purchasing power of the families with lower income.
通货膨胀损害低收入家庭的购买力。
monetary
adj.货币的；金钱的
The monetary system of certain countries used to be based on gold.
某些国家以前的货币制度是以黄金为基础的。
microeconomics
n.微观经济学
macroeconomics
n.宏观经济学