英文關鍵字
announcement
audience
audio
auditorium
background
blue
board
business
ceremony
chair
church
closeup
club
communicate
communication
conference
convention
empty
equipment
event
fright
indoors
information
interior
lecture
light
loud
media
meeting
microphone
news
nobody
party
people
performance
podium
press
professional
public
report
room
seat
seminar
sound
speak
speaker
speech
stage
table
talk