英文關鍵字
19
boy
caucasian
collaborating
college
computer
digital
discussion
education
friends
group
happy
laptop
learning
meeting
old
services
student
tablet
talking
teen
teenage
teenager
together
university
working
years
英文關鍵字
19
boy
caucasian
collaborating
college
computer
digital
discussion
education
friends
group
happy
laptop
learning
meeting
old
services
student
tablet
talking
teen
teenage
teenager
together
university
working
years