英文關鍵字
banking
blue
business
cash
change
chronology
coin
coins
column
commerce
concept
cost
countdown
currency
deadline
economy
ends
falling
falls
finance
finances
financial
flowing
flows
future
glass
hourglass
instrument
investment
lined
measure
measurement
metaphor
money
nickel
passing
poured
pours
price
sand
sandglass
saving
savings
stops
surrounded
symbol
time
trickle
value
video
wasting