英文關鍵字
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city
deserted
destination
direction
down
downwards
empty
escalator
handrail
journey
ladder
lighting
line
mall
megapolis
metal
metro
motion
move
passenger
path
reflection
road
route
rung
shop
staircase
stairs
stairway
stairwell
station
steel
step
subway
supermarket
terminal
tour
town
transfer
transport
transportation
travel
traveling
trip
underground
underpass
voyage