英文關鍵字
alley
autumn
boots
broom
city
clean
cleaner
cleanup
dead
dirty
dust
feet
foliage
garbage
groundskeeper
hard
hardworking
janitor
job
labor
leaves
legs
litter
low
manual
occupation
outdoor
park
pavement
person
poor
poverty
road
rubbish
salary
service
shabby
shoes
sidewalk
square
street
sweeper
sweeping
underpaid
urban
wage
walkway
work
worker
working