英文關鍵字
247
24h
24hour
always
anytime
ask
assistance
black
blackboard
board
business
call
center
chalk
chalkboard
chat
communicate
communication
contact
customer
day
drawing
drawn
hand
handset
help
helpdesk
helpline
hotline
icon
illustration
info
information
lettering
line
message
number
online
phone
questions
service
seven
support
talking
telephone
text
time
week