英文關鍵字
account
accounting
arm
background
balance
bank
banking
business
button
calculate
calculation
calculator
close
concept
cost
count
device
digital
display
economy
education
electronic
equipment
finance
financial
hand
hands
holding
human
idea
keyboard
keypad
make
math
mathematical
mathematics
money
number
object
person
pink
sav
savings
school
student
tax
technology
tool
total
woman
womens
work