英文關鍵字
america
american
background
bank
banking
banknote
bill
bolivar
business
cash
close
commerce
crypto
currency
dollar
economy
electronic
europe
exchange
finance
financial
foreign
france
global
gold
internet
investment
iran
isolated
latin
mints
money
note
oil
old
opec
paper
payment
rate
trade
union
venezuela
venezuelan
virtual