英文關鍵字
bus
call
caucasian
cell
city
closeup
communication
commuting
compartment
female
girl
inside
interior
journey
listen
metro
mobile
one
passenger
people
phone
public
rail
railcar
railway
read
row
smart
smartphone
smile
speak
speed
subway
talk
telephone
tourist
tram
transport
travel
trip
trolleybus
tunnel
use
woman
young