名詞 economics:

1. the branch of social science that deals with the production and distribution and consumption of goods and services and their management
   同義詞：economic science, political economy

1. A knowledge of economics is fundamental to any understanding of this problem.
   經(jīng)濟(jì)知識(shí)對(duì)于理解這個(gè)問(wèn)題是至關(guān)重要的。
2. When they start talking about economics, I'm out of my depth.
   他們一談起經(jīng)濟(jì)學(xué)，我就一竅不通了。
3. I have mastered the rudiments of economics.
   我已精通經(jīng)濟(jì)學(xué)的基本原理。
4. A manager has to learn some economics if he wants to improve his management.
   一個(gè)管理人員要想改善管理的話，就必須學(xué)點(diǎn)經(jīng)濟(jì)學(xué)。

ec.o.nom.ics

n.Abbr. econ.（名詞）縮寫 econ.
(used with a sing. verb)The social science that deals with the production, distribution, and consumption of goods and services and with the theory and management of economies or economic systems.
（與單數(shù)動(dòng)詞連用）經(jīng)濟(jì)學(xué)：以商品、服務(wù)的生產(chǎn)、分配和消費(fèi)以及經(jīng)濟(jì)或經(jīng)濟(jì)系統(tǒng)的理論和管理為研究對(duì)象的社會(huì)科學(xué)
(used with a sing. or pl. verb)Economic matters, especially relevant financial considerations:
（與單數(shù)或復(fù)數(shù)動(dòng)詞連用）經(jīng)濟(jì)情況：經(jīng)濟(jì)事件，尤指有關(guān)財(cái)政問(wèn)題的：
例句：
.Economics are slowly killing the family farm.(Christian Science Monitor)
.經(jīng)濟(jì)情況正在使家庭農(nóng)場(chǎng)慢慢解體.(基督教科學(xué)箴言報(bào))