activity
blackboard
caucasian
class
college
conference
course
covid19
distance
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female
gesture
hobby
home
indoors
internet
isolation
learning
lecture
leisure
lesson
lockdown
math
mathematics
millennial
modern
online
pastime
person
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social
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student
study
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thumb up
training
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university
video
web
webinar
woman
young
定額
Distance learning concept. Happy female teacher giving online math class, showing thumb up gesture near blackboard at home. Positive college tutor explaining mathematics to her students on webの素材 [FY310159910584]
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