經濟是價值的創造、轉化與實現; 人類經濟活動就是創造、轉化、實現價值，滿足人類物質文化生活需要的活動。因此，雅思考生一定要熟記經濟類的雅思詞彙，備考充分。
production
n.生產，產品;作品;(研究)成果
Production of computers has doubled in the last few weeks.
電腦的產量在過去幾周已經翻了一番。
saving
n.儲存
Investment and savings are co-related.
投資和儲蓄是相互關聯的。
investment
n.投資;可獲利的東西
Ten million dollars was the amount of the investment sent to China to create joint adventure.
有人向中國投資一千萬美元來建立合資企業。
expenditure
n.支出，話費
capital
n.資本，資金;資產
He invested his capital to the best advantage.
他在最有利可圖的領域投資。
currency
n.通貨;通用;市價
We exchanged our currency at a bank in the airport.
我們在機場的一家銀行裡兌換了貨幣。
denomination
n. (種類、數值或大小的)單位
Cash registers have compartments for bills of different denominations.
收銀機有存放不同面額貨幣的隔層。
demand
n.要求，需求(力量);需要
supply
n.補給，供給;供應品
purchase
n./vt. 購買(buy)
The purchasing power of the people has been increasing.
人們的購買力持續增長。
inflation
n.通貨膨脹
Inflation erodes the purchasing power of the families with lower income.
通貨膨脹損害低收入家庭的購買力。
