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vocabulary

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  • harmony
    peaceful cooperation
  • extract*
    to take out
  • sustainable
    able to last a long time, friendly, useful
  • eliminate
    to end completely
  • claim
    collaborate
  • collaborate
    to work together
  • principle*
    a basic rule
  • wear out
    to become damaged or useless
  • flaw
    a mistake
  • component
    a part
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