英文關鍵字
100
background
bank
banking
banknote
bill
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business
buy
calculating
cash
checkout
commercial
count
counter
counting
credit
currency
device
dollar
economy
electronic
equipment
exchange
finance
financial
green
heap
hundred
instrument
investment
machine
money
new
office
paper
pattern
paying
rich
sale
savings
service
stack
stock
success
symbol
tax
usa
wealth