英文關鍵字
asia
auto
automobile
bike
bus
calm
capital
car
city
congestion
dirty
drive
driver
driving
emission
environment
environmental
frustration
gas
hour
house
india
indian
kathmandu
metropolis
mobility
motor
motorbike
motorcycle
nepal
nepalese
night
people
polluted
population
public
queue
road
speed
street
taxi
traffic
transport
transportation
travel
urban
vehicle