英文關鍵字
answer
ask
blackboard
body
brain
brainstorm
chalk
chalkboard
choice
concept
doubt
draw
drawing
education
face
faq
green
hand
head
help
human
idea
illustration
imagination
intellect
intelligence
knowledge
learning
male
man
mark
mind
people
problem
profile
query
question
questionmark
reason
search
sign
sketch
solution
strategy
study
symbol
think
thinking
white
why