英文關鍵字
attractive
bus
call
caucasian
cell
cellphone
city
communication
compartment
concept
discuss
female
fun
girl
inside
interior
laugh
mobile
one
passage
passenger
people
phone
public
rail
railway
smart
smartphone
smile
speed
subway
talk
tee
telephone
tourist
train
tram
transport
transportation
travel
trolleybus
tunnel
use
woman