第41页

信息发布者：
paper
pollution
prediction
future
pollute
environment
planet
earth 
plant 
part 
peace
sea
build
sky 
pollution
prediction
built
peace
on computers
free time
in great danger
on the earth
play a part
world peace
Will 
in
100
years
won't 
will 
be 
free
will
live
to
be
prediction
about
What 
be 
like
more 
crowded 
polluted
in 
great 
danger
move
to
less
more
play
a
part
in
saving
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