英文關鍵字
adult
bad
businessman
businessperson
busy
caucasian
cell
cellphone
city
communication
device
disappointed
disillusioned
electronic
gesticulate
gestures
guy
hands
headache
hopeless
internet
irritated
man
mature
men
message
mobile
nervous
news
one
outside
pain
park
people
person
phone
reading
senior
smartphone
street
suffering
technology
text
touchscreen
town
wireless