英文關鍵字
phone
call
customer
support
service
helpdesk
hotline
helpline
24
7
info
centre
information
24hour
handset
telephone
online
help
icon
symbol
blackboard
sign
illustration
communication
chalkboard
chalk
board
assistance
business
day
seven
week
time
24h
anytime
green
number
questions
contact
line
drawn
hour
around
clock
mobile
ring
table
talking