英文關鍵字
attitude
automobile
bad
behavior
car
careless
city
close
closeup
concept
consumer
consumption
day
dirt
dirty
disposal
driver
driving
eco
ecology
environment
environmental
garbage
habit
hand
holding
irresponsible
man
moving
natural
negative
neglectful
outdoors
paper
parking
person
pollution
problem
road
rubbish
sidewalk
street
throw
throwing
trash
up
used
waste
window