英文關鍵字
bus
car
city
commuter
compartment
empty
fluctuation
grip
hand
handhold
handle
handrail
hang
hold
inside
interior
journey
lifestyle
line
metro
moving
passenger
people
public
rail
railing
shake
space
stand
system
technology
traffic
train
tram
transport
transportation
travel
trip
underground
using
vehicle
video
work