英文關鍵字
spectators
conference
hall
presentation
pan
panning
audience
auditorium
board
business
center
chair
communication
congress
convention
corporate
cultural
culture
display
education
event
group
indoor
inside
interior
lecture
light
listen
listeners
meeting
people
public
room
scene
screen
seat
seminar
show
speaker
stage
table
university
visual
last
notebook
computer