英文關鍵字
handset
phone
service
customer
hotline
support
24hour
online
24
7
icon
telephone
call
number
text
assistance
day
seven
week
time
24h
always
anytime
information
contact
centre
blackboard
chalk
chalkboard
business
communication
chat
message
help
info
talking
helpline
line
helpdesk
ask
green
questions
illustration
communicate
board
lettering
hand
drawn
drawing
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