alphabet
antique
background
book
bulb
business
classroom
cover
creative
data
education
electric
glow
imagination
information
innovation
innovative
inspiration
invention
knowledge
lamp
learn
letter
library
light
lightbulb
literature
mind
note
old
open
page
paper
read
research
room
school
search
solution
student
study
target
text
think
understand
university
white
wisdom
write
yellow
定額
Opened book with glowing light bulb on dark background, added colour filter and classic tone effect for ideas to solve solutions in learning and education conceptの素材 [FY31098298595]
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