英文關鍵字
abstract
audience
audio
background
blur
blurred
boardroom
business
closeup
communication
concept
concert
conference
electronic
entertainment
equipment
event
focus
hall
instrument
karaoke
lecture
lecturer
light
live
media
meeting
mic
microphone
modern
music
musical
people
performance
presentation
professional
public
restaurant
seminar
show
sound
speaker
speech
stage
stand
studio
technology
university
voice