英文關鍵字
academy
app
application
break
campus
casual
cellphone
chatting
classmates
college
commenting
communication
connection
diverse
diversity
education
emotion
enjoy
female
gadget
happy
male
man
message
millennial
mixedrace
network
outdoors
phone
rest
school
sitting
smartphone
smile
smiling
social
stairs
student
students
study
studying
teen
teenager
teenagers
teens
together
university
woman
young
youth