英文關鍵字
background
conservation
consumerism
debris
deserted
destruction
dirty
disaster
discarded
disposal
dispose
domestic
dump
ecology
environment
environmental
forbidden
garbage
heap
illegal
isolated
junk
junkyard
landfill
lifestyle
litter
messy
nature
ordure
outdoors
package
paper
pile
pollution
problem
recycling
refuse
rubbish
scrap
spontaneous
stack
suburbs
sweeping
toxic
trash
untidy
waste
yard