[] the study of the production, distribution and use of goods and services; the study of how a society organizes its money, trade and industry经济学◆a degree in politics and economics政治经济学学位◆Keynesian/Marxist/market economics凯恩斯主义／马克思主义／市场经济学 [; ]the financial aspects of a business, a project, etc., especially the relationship between money spent and the benefits or profit produced经济状况；经济情况◆The economics of the project are very encouraging.这项工程的经济状况十分令人鼓舞。development economics industrial economics