2 (often introductions) a formal presentation of one person to another, in which each is told the other's name : he returned to his desk, leaving Michael to make the introductions | a letter of introduction.
3 a thing preliminary to something else : your talk will need an introduction that states clearly what you are talking about and why.
? an explanatory section at the beginning of a book, report, etc.
? a preliminary section in a piece of music, often thematically different from the main section.
? a book or course of study intended to introduce a subject to a person : it is a simple introduction to Euclidean geometry.
? [in sing. ] a person's first experience of a subject or thing : my introduction to drama was through an amateur dramatic society.
ORIGIN late Middle English : from Latin introductio(n-), from the verb introducere (see introduce ).
【executivesummary怎么写】

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