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英文關鍵字
white
background
object
graphic
element
illustration
design
paper
isolated
shape
business
equipment
sign
art
abstract
black
technology
line
silhouette
style
modern
symbol
creative
concept
icon
flat
measure
measurement
tool
internet
writing
pen
document
scale
simple
drawing
education
web
pencil
outline
ruler
write
logo
pictogram
graphic design
design tool