英文關鍵字
shield
check
mark
cyber
cyberspace
online
internet
anti
virus
security
safety
protection
icon
sign
symbol
concept
lock
privacy
guard
access
guarantee
technology
digital
data
communication
connection
network
mouse
wireless
computer
table
desktop
wooden
modern
city
tower
office
urban
building
skyscraper
skyline
expressway
street
road
bangkok
thailand
outdoor
exterior
copy
space
empty
blank