英文關鍵字
100
american
bank
banking
banknote
bill
bills
business
cash
close
count
counting
currency
dollar
dollars
earnings
economics
economy
exchange
fan
finance
financial
finger
flip
hand
hands
holding
hundred
investment
many
microbes
money
motivation
one
paper
pay
paying
payment
planning
purchase
rich
save
savings
shift
spread
stack
success
they
through
usa
wealth