英文關鍵字
brainstorming
brain
head
people
faq
ask
lettering
question
frequently
asked
questions
mark
sign
why
problem
how
who
what
where
when
word
text
investigation
query
help
uncertainty
education
thinking
solving
search
unknown
doubt
drawn
study
solution
human
face
mind
man
male
intelligence
questioning
thought
research
think
green
blackboard
chalkboard
chalk
asking