英文關鍵字
bad
bank
banknotes
cad
canadian
cash
close
crash
currencies
currency
depression
dollar
dollars
downturn
economic
economy
exchange
fails
failure
finance
financial
green
instrument
instruments
loss
lots
many
market
markets
modern
money
nlossesnn
note
notes
paper
pile
piles
queen
recession
rotate
rotates
rotating
stack
stock
trade
twenty