african
afro
american
black
book
business
campus
class
college
conference
course
desk
digital
distance
education
elearning
exam
female
girl
happy
headphone
homework
indoor
internet
knowledge
learning
lecture
lesson
library
lifestyle
online
people
remote
room
school
smartphone
student
study
studying
surfing
sweater
tablet
technology
teenage
tutorial
university
watching
web
woman
work
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African american student woman in sweater using smartphone after watching e-learning and studying lesson online class on tablet while sitting to learning knowledge and education in university.の素材 [FY310207592560]
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