英文關鍵字
app
application
apps
communication
computer
correspondence
data
database
digital
display
editorial
firewall
gadget
guard
hand
hold
inbox
interface
internet
junk
laptop
lock
mailbox
marketing
message
mobile
monitor
network
newsletter
online
password
phone
product
protect
protection
safe
safety
screen
secure
security
send
smartphone
spam
tap
technology
touch
touchscreen
using
virus
warning