英文關鍵字
four
people
mature
adult
man
male
caucasian
young
woman
female
black
mixedrace
animation
stock
market
data
processing
diverse
business
using
electronic
device
global
economy
technology
concept
internet
computer
communication
finance
office
digital
modern
businessman
loop
exchange
connection
laptop
work
online
corporate
mobile
phone
sign