英文關鍵字
activity
addiction
app
application
carefree
cellphone
chat
chatting
communication
connection
friends
friendship
future
gadget
girl
guy
joy
lack
leisure
male
man
message
messenger
mixedrace
mood
multiethnic
multiracial
network
online
outdoors
people
phone
problem
relationship
sitting
smartphone
social
spending
teen
teenager
texting
time
together
togetherness
university
videogame
virtual
websurfing
woman
young