英文關鍵字
african
american
app
black
browsing
caucasian
cell
cellphone
communication
connection
culture
device
digital
diverse
diversity
friend
friends
friendship
fun
gadget
group
internet
lifestyle
media
message
millennial
mobile
modern
multimedia
network
online
people
phone
smart
smartphone
social
student
talking
technology
teenage
teenager
teens
texting
together
togetherness
using
wifi
wireless
young
youth