英文關鍵字
exchange
rate
value
buy
sell
economy
investment
bank
banking
finance
market
banknote
bill
note
currency
paper
money
sale
crisis
inflation
savings
tax
growth
recession
business
travel
foreign
commerce
trade
global
usa
usd
american
dollar
dollars
mexico
mexican
peso
pesos
stacked
banknotes
bills
denominations