abstract
audience
auditorium
black
business
chair
chairs
concept
conference
education
empty
event
gray
group
interior
lecture
line
listeners
literacy
lot
many
meeting
modern
office
pattern
performance
perspective
plastic
portable
preparation
presentation
public
row
rows
seat
seats
seminar
several
show
sit
sitting
student
training
view
定額
Several rows of empty plastic chairs in the audience prepared for the speaker's speech in front of students or journalists and spectators. Modern audiences for Lectures, seminars to listeners.の素材 [FY310109030335]
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