英文關鍵字
3d
abstract
banking
banknotes
binary
blue
business
cash
code
commerce
communications
computer
conceptual
connection
currency
cyberspace
digital
digitally
dollar
electronic
finance
flow
flying
global
industry
information
internet
line
money
moving
network
online
paper
payment
remittance
render
shopping
success
system
technology
trading
transaction
transfer
virtual
web
www