earnings [ 5E:niNz ] (n. pl) salaries, profits, dividends, interest received收入

[例]  The meager earnings can hardly make a living for me.

 economic [ 7i:kE5nCmik ] (adj.) 1. providing enough money, profitable赚钱的,有利润的

[例]  This project doesn’t make economic sense.

2. referring to state of the national economy经济的

[例]  There is an economic crisis.

 economic efficiency (n.) the ratio of outputs to inputs经济效益

[例]  The economic efficiency is higher this year than last year.

 economic sanctions (n) measures taken to force a country to obey international law, by stopping or reducing trade with that country. 经济制裁

[例]  The UN decided to life the long-term economic sanctions on Iraq.

 economical [ 7i:kE5nCmikEl ] (adj.) money-saving节约的

[例]  an economical car

[同义词]  thrifty

 economics [ 7i:kE5nCmiks, 7ekE- ] (n. pl) the study of macro and micro economics经济学

 economist [ i:5kCnEmist ] (n.) person who specializes in the study of economics经济学家

 economise [I`kCnEmaIz] (v.) save money by spending less节约

 economies (n. pl) savings积蓄

[例]  We need to introduce some economies.