機器
account
adult
background
bank
banking
budget
business
buy
buyer
card
cashfree
caucasian
code
color
cost
credit
currency
device
earnings
economy
electronic
expenses
financial
hand
holding
income
investment
male
man
modern
money
operation
pay
paying
payment
people
person
purchase
retail
sale
seller
shop
shopping
store
technology
terminal
transaction
yellow