Effective. Efficient. Effectual. Efficacious

Содержание

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We use effective to describe something that gives you the results you want:
Taking this

We use effective to describe something that gives you the results you
tablet is a very effective cure for travel sickness.
In this light, the camera is more effective if you use the flash.
Services need to be more effectively organised than they are at present

Effective

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An effective public transport system
To function effectively
The effectiveness of computers as an

An effective public transport system To function effectively The effectiveness of computers
educational tool

The use of effective

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Effective means having a particular role or result in practice, though not officially or in theory.
Virtual
Essential
Practical

Effective means having a particular role or result in practice, though not

They have had effective control of the area since the security forces left. 
The restructuring resulted in an effective increase on fares.

Effective / practical

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producing a striking impression;
An effective entrance

Effective/ impressive

producing a striking impression; An effective entrance Effective/ impressive

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The company launched a highly effective advertising campaign.

Extremely / highly effective

The company launched a highly effective advertising campaign. Extremely / highly effective

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What is the most effective way to control crime?

What is the most effective way to control crime?

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Exams are not the most effective method of assessing students’ abilities.

Exams are not the most effective method of assessing students’ abilities.

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Is reducing the speed limit an effective means of reducing accidents?

Is reducing the speed limit an effective means of reducing accidents?

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The most effective solution to traffic congestion is to build more roads.

The most effective solution to traffic congestion is to build more roads.

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The country has a simple but effective welfare system

The country has a simple but effective welfare system

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Welfare is a type of government support intended to ensure that members of

Welfare is a type of government support intended to ensure that members
a society can meet basic human needs such as food and shelter. Social security may either be synonymous with welfare, or refer specifically to social insurance programs, which provide support only to those who have previously contributed (e.g. most pension systems), as opposed to social assistance programs, which provide support on the basis of need alone (e.g. most disability benefits).

Welfare

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We use efficient to describe something or someone that works in a quick and

We use efficient to describe something or someone that works in a
organised way
If something or someone is efficient, they are able to do tasks successfully, without wasting time or energy
The new online banking system offers a convenient and efficient way to check your account.
It could be an exceptionally efficient and economical way to make buildings more comfortable and energy efficient.
I have always known James to be highly competent and efficient in all aspects of his job.

Efficient

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performing or functioning in the best possible manner with the least waste of time

performing or functioning in the best possible manner with the least waste
and effort; having and using requisite knowledge, skill, and industry; competent; capable
a reliable, efficient secretary
I have always known James to be highly competent and efficient in all aspects of his job.

Efficient / competent

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The factory is modern and highly efficient.

Extremely/ highly efficient

The factory is modern and highly efficient. Extremely/ highly efficient

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Email is an efficient way of contacting a large number of people

Email is an efficient way of contacting a large number of people

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The railways used to provide a cheap efficient method of travel

The railways used to provide a cheap efficient method of travel

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The tram is a very efficient means of transport.

The tram is a very efficient means of transport.

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We need a more efficient system for collecting money.

We need a more efficient system for collecting money.

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We must work towards the more efficient use of all natural resources.

We must work towards the more efficient use of all natural resources.

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 More efficacious treatments may soon be available

More efficacious treatments may soon be available
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