Englishfor English speakers
posting
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noun
(bookkeeping) a listing on the company's records
the posting was made in the cash account
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noun
(= poster)
a sign posted in a public place as an advertisement
a poster advertised the coming attractions
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noun
(= mailing)
the transmission of a letter
the postmark indicates the time of mailing
liaison
Noun
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Liaison is the communication between two or groups
officer
Noun
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An officer is a person in an army who has much authority. A general and a captain are two types of officers.
A soldier must obey his commanding officer.
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An officer is a policeman, often called a "police officer." (Note, "officer" is often better than "policeman" because the officer could be a woman or a man.)
Officer, can you help me, I've been robbed.
The thief was taken to jail by the officers.
He was arrested for hitting an officer.
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An officer is someone who holds office (meaning, has authority).
The judge is an important officer of the court.
She is the chief executive officer, or CEO, for our company.