英文關鍵字
audio
auditorium
blur
bokeh
business
center
church
communication
conference
congress
convention
cord
cultural
culture
emcee
event
glow
hall
indoor
introduce
lecture
lecturer
light
loud
media
meeting
microphone
modern
new
orate
orator
participants
people
presentation
public
room
say
scene
seminar
show
sound
speak
speaker
speech
stage
two
visual