英文關鍵字
people
technology
school
education
classroom
laptop
class
student
teacher
two
female
studying
computer
together
young
learning
happy
notebook
teenager
college
campus
university
teamwork
adult
girl
cheerful
communication
study
caucasian
indoors
sitting
lecture
helping
development
working
women
library
casual
programming
talking
smiling
youth
white
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