英文關鍵字
abstract
blackboard
brain
brainstorm
brainstorming
bright
bulb
chalk
chalkboard
concentration
concept
create
creative
education
electricity
flickering
genius
glowing
head
human
idea
illumination
illustration
imagination
imagine
inside
inspiration
intellect
intelligence
invention
lamp
learning
light
lightbulb
male
man
memory
mind
new
people
person
power
research
science
silhouette
sketch
smart
solution
solve
success
symbol
think
thinking
thought
wisdom