英文關鍵字
city
life
commute
door
exit
feet
floor
inside
journey
legs
opening
doors
line
metro
train
modern
motion
open
passenger
person
platform
public
transportation
rail
railway
rush
hour
shoes
speed
station
stop
subway
track
transit
transport
travel
traveler
trip
tube
tunnel
underground
unrecognizable
people
urban
vehicle
walk
woman