英文關鍵字
vintage
data
bank
computer
notebook
pencil
next
old
notepad
lead
graphite
sharpened
working
80's
science
portable
retro
nice
copy
space
calculator
office
equipment
arithmetic
wood
calculate
dated
business
qwerty
mathematics
numeric
work
desk
math
compute
finance
lcd
keypad
hand
held
electronic
design
keyboard
machine
answer
buttons
close
digital
digits
equals
display
figures
keys
macro
method
numbers
divide
product
symbols
technology