英文關鍵字
away
background
basket
bin
black
business
businessman
can
cap
clean
collect
concept
conceptual
conservation
container
cutout
disposal
domestic
drop
dump
dustbin
ecology
empty
environment
environmental
full
garbage
hand
icon
isolated
junk
life
litter
nobody
paper
people
person
plastic
recycle
recycling
rubbish
shiny
simple
throw
throwing
trash
wall
waste
white