ššš¬
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#preface
#foreword
#topic introduction
#abstract
#summary
#explanation
#introduction
ā¶ļøš|šā”ļø
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#preface
#prologue
#chapter one
#topic introduction
šTš
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#introduction
#presenting topic
#briefing
#topic introduction
#lesson start
#agenda item
šā”ļøš
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#topic introduction
#presenting information
#document intro
#overview
#abstract
#introduction
šÆā¤ļøš
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#core concept
#main idea
#heart of the matter
#central theme
#topic introduction
š¤š¬ā¶ļø
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#presentation start
#speech opening
#kickoff
#topic introduction
#prologue
#curtain raiser
#opening remarks
#preface #foreword #topic introduction #abstract #summary #explanation #introduction