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词组 economics
释义 economics
Economics is a noun. It usually refers to the study of the way in which money, industry, and trade are organized.
...the science of economics.
...a degree in economics.

When economics has this meaning, it is an uncount noun. You use a singular form of a verb with it.
Economics deals with man in his environment.

If you want to say that something relates to the subject of economics, you use economics in front of another noun.
...an economics degree.
...Hull University's economics department.

Note that you do not talk about an 'economic' degree or an 'economic' department.

The economics of an industry are the aspects of it which are concerned with making a profit.
...the economics of the timber trade.

When economics is used with this meaning, it is a plural noun. You use a plural form of a verb with it.
When this happens, the economics of the industry are dramatically affected.


'economy'


Economy is also a noun. The economy of a country or region is the system by which money, industry, and trade are organized there.
New England's economy is still largely based on manufacturing.
Unofficial strikes were damaging the British economy.

Economy is also careful spending or the careful use of things in order to save money.
His seaside home was small for reasons of economy.


'economies'


If you make economies, you try to save money by not spending it on unnecessary things.
It might be necessary to make a few economies.


'savings'


However, you do not refer to the money that someone has saved as their 'economies'. You refer to this money as their savings.
She drew out all her savings.


'economic'


Economic is an adjective. You use it to describe things connected with the organization of money and trade in a country or region. When economic has this meaning, you only use it in front of a noun. You do not use it after a verb.
...the problems of economic planning.
What has gone wrong with the economic system during the last ten years?

If you say that something is economic, you mean that it makes a profit, or does not result in money being lost. When economic has this meaning, it can go either in front of a noun or after a verb.
It is difficult to provide an economic public transport service.
We have to keep fares high enough to make it economic for the service to continue.


'economical'


Economical is also an adjective. It can be used to say that something is cheap to operate or use.
...the economical harnessing of atomic energy.
This system was extremely economical because it ran on half-price electricity.

You can also say that a person is economical when they do not spend much money. Several other words can be used with a similar meaning. For more information, see entry at ↑ mean.

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更新时间:2025/6/3 12:07:04