Englishfor English speakers
opportunity
Noun
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An opportunity is a time, place, or situation in which something can happen, usually something good.
Sleep provides an opportunity for the body to repair itself.
The sun was warm, so I took the opportunity for a long walk in the park.
Fans will have the opportunity to see the top players on Monday.
Today, anyone can come for free, so don't miss this great opportunity.
This is a workplace that provides equal opportunity for all.
In the poor economy, there are decreasing employment opportunities.
cost
Noun
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The cost of something is the price that a person pays for it.
What is the cost of the car?
cost
Verb
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When you say that a thing costs, you say that one must pay in order to buy it.
That diamond ring costs a great deal of money.
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One may say that an action costs a certain bad result.
It cost me my job when I broke the machine.
To commit a crime will cost you.
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When you estimate a cost or set a cost, you cost a thing.
The repair man costed the work to fix the car.
of
Preposition
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Made using.
It is a house of cards.
capital
Noun
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A capital is the most important city of a country. The government of the country is usually located there.
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The (field) capital is the most important city in that particular field.
Hollywood is the film capital, New York the theater capital, Las Vegas the gambling capital.
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A person's capital is all his money and wealth.
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A capital forms the topmost member of a column or pilaster. It broadens the area of the column's supporting surface.
capital
Adjective
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A capital object or idea is something that is very important.
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very good.
That is a capital idea!
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Involving punishment by death.
Not all felonies are capital crimes.
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.
One begins a sentence with a capital letter.