英文關鍵字
advertisement
advertising
alert
amplifier
announce
announcement
audio
black
blackboard
board
bullhorn
business
chalk
chalkboard
communicate
discount
drawing
drawn
event
friday
hand
holiday
illustration
information
letter
lettering
loud
loudspeaker
market
marketing
megaphone
message
promo
promotion
retail
sale
scream
screaming
shopping
shout
shouting
sketch
sound
speaker
speech
talk
talking
text
voice