英文關鍵字
anatomy
associated
bank
banknote
banknotes
bill
bit
bitcoin
black
blockchain
bone
business
cash
coin
commerce
crypto
cryptocurrency
cryptography
currency
dark
dead
death
debt
digital
dollar
dollars
ecommerce
electronic
eyes
fall
falling
finance
fly
funds
head
heap
internet
investment
loan
many
mining
money
payment
pile
scary
skeleton
skull
technology
virtual