機器
background
business
car
carriage
china
city
commute
commuter
commuting
contemporary
corridor
district
empty
equipment
everyday
handrail
industrial
industry
inside
interior
line
metro
metropolitan
modern
new
nobody
passenger
public
rail
railroad
railway
seat
service
shanghai
speed
station
subway
train
transit
transport
transportation
travel
travelling
underground
urban
vehicle
view
way
window