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| 引起听众的兴趣 - I'm going to be speaking about something that is vitally important to all of us.
 - My presentation will help solve a problem that has puzzled people for years...
 - At the end of this presentation you will understand why this company has been so successful for so long...
 - I am going to be talking about a productthat could double your profit margins...
 - the next ten minutes will change your attitude to sales and marketing...
 - Over the next ten minutes you are goingto hear about something that will change the way your companies operate...
 - By the end of this presentation you will know all there is to know about...
 
 
 
 
 告诉听众内容要点
 
 
 - there are five main aspects to this topic (...the first, ... the second, ...a
 third,...another, ... the final)
 - I am going to examine these topics in
 the following order (...first, ...next, ...afterthat, ...finally)
 - I've
 divided my talk into five parts...
 - I will deal with these topics in
 chronological order...
 - I'm going to start with a general overview and
 then focus on this particularproblem (...in general, ...more
 particularly).
 - I want to start with this particular topic,and then draw
 some more general conclusions from it (...specifically, ... in a wider
 context).
 - there are (a number of) factors that may affect...
 - We
 have to take into account in any discussion of this subject, the following
 considerations.
 - We all ought to be aware of the following points.
 
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