英文關鍵字
flipping
pages
book
unrecognizable
hands
boy
through
search
person
standing
holding
turning
motion
room
reading
blurred
study
education
looking
concept
torso
backgrounds
quickly
knowledge
student
movement
storytelling
male
intelligence
open
school
learning
finger
random
idea
college
moving
undergraduate
caucasian
encyclopedia
data
information
library