機器
abacus
account
accountancy
arithmometer
background
bank
bookkeeping
budget
business
calculation
calculator
computation
concept
costs
economics
economy
education
equipment
estimate
expenses
finance
industrial
industry
insolvency
isolated
money
negative space
office
old
poverty
purse
reckoning
retro
savings
score
stationery
tools
vintage
wealth
workplace
yellow