英文關鍵字
activity
agreement
bag
bank
basket
bill
business
buy
car
card
cart
cash
checkout
coin
commercial
concepts
container
credit
criminal
currency
customer
dollar
earn
finance
gold
internet
investment
making
market
metal
money
paper
paying
price
retail
safety
sale
savings
selling
shopping
sign
stock
store
supermarket
symbol
system
wages
wealth
workshop