英文關鍵字
concentrated
computer
glasses
man
document
report
article
serious
reflection
screen
programmer
mirror
male
password
reading
technology
work
cyberspace
business
developer
adult
online
hacker
security
internet
surveillance
face
concentration
software
hacking
programming
criminal
virtual
privacy
program
monitor
system
information
office
network
close
late
night
cyber
businessman
eyes
code
whistleblower