機器
america
american
appliance
background
bank
banknote
bill
budget
business
buy
cash
counter
counting
currency
deposit
device
dollar
dollars
earnings
economy
electronic
exchange
finance
financial
funds
green
greenback
hundred
income
isolated
modern
money
national
object
official
paper
profit
purchase
savings
service
states
symbol
united
us
usa
usd
value
wealth
white