经济学所研究的课题包括富有与贫穷、货币与银行、各种收入、各种税收、繁荣与萧条、 大企业与工会以及许许多多对我们的生活方式有密切影响的其他问题。
Economics involves the study of topics like wealth and poverty ，money and banks , incomes , taxes，prosperity and depression , big business and labor unions . and hundreds of other matters that intimately affect the way we live.
