英文關鍵字
adult
animation
baby
bank
banking
black
boy
caucasian
chart
child
chinese
class
classroom
concept
currency
data
diagram
digital
digitally
diverse
economy
education
elementary
female
finance
financial
generated
girl
graph
group
investment
knowledge
learn
lesson
male
man
medium
mid
mixedrace
money
montage
of
people
pupil
school
student
teacher
teaching
teenager
video