英文關鍵字
handset
phone
service
support
hotline
24hour
online
24
7
icon
telephone
faq
pattern
call
letter
i
open
text
assistance
day
seven
week
time
24h
always
anytime
assistant
information
contact
centre
symbol
blackboard
business
communication
customer
chat
message
chalk
chalkboard
help
info
helpline
line
background
helpdesk
answer
question
ask
green
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