英文關鍵字
autumn
bag
bags
black
city
clean
cleaning
cleanup
collect
compost
disposal
dry
environment
fall
fallen
foliage
full
garbage
garden
grass
heap
landscaping
lawn
leaf
leaves
lots
maintenance
nature
november
october
outdoor
pack
packages
park
pile
plastic
polythene
recycle
season
seasonal
service
sidewalk
stack
street
trash
tree
waste
work
yellow