英文關鍵字
subway
station
modern
platform
public
speed
transport
transportation
passenger
underground
rail
fast
tunnel
vehicle
people
track
train
urban
carriage
railroad
railway
travel
indoor
movement
traffic
way
arrival
commuter
electric
interior
locomotive
metro
technology
wagon
car
line
road
city
russia
commute
transit
commuting
departure
leaving
motion
industry
design
moscow