英文關鍵字
abstract
assembly
audience
background
blue
blurred
blurry
building
chairs
conference
crowd
debate
defocus
defocussed
diffuse
discussion
dispute
event
forum
hall
inside
international
lecture
leisure
listen
listeners
listening
lot
many
meeting
parter
people
performance
presentation
say
scene
seat
show
sit
sitting
soft
speak
speakers
speech
stage
stalls
theater
view
viewers