英文關鍵字
background
banking
banknote
bathroom
bill
bills
budget
business
cash
concept
conceptual
costs
currency
day
earth
economy
euro
european
expense
expenses
falling
faucet
finance
flow
flowing
home
household
idea
ideas
liquid
metaphor
money
motion
pay
paying
payment
saving
service
sink
slow
splash
table
tap
water
wooden