英文關鍵字
arrangement
automatic
background
ball
ballpen
ballpoint
black
blue
choice
circle
clear
close
closeup
color
colorful
colors
design
detail
draw
equipment
green
group
many
multicolor
multicolored
nobody
object
office
palette
pattern
pen
plastic
point
rainbow
red
sharp
signature
study
supply
transparent
uniqueness
variety
white
work
write
yellow