Englishfor English speakers
investigation
Noun
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An investigation is a careful look at a crime, problem, etc. to find the truth or a solution.
Researchers were conducting further investigations into the connection between smoking and lung disease.
The cause of the fire is currently under investigation.
staff
Noun
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The employees of a company.
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A long, straight stick that is mostly used to help people walk and is sometimes used in martial arts.
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A staff is five lines that music is written on.
staff
Verb
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When you staff a business, you provide them with employees.