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AH020387 Posted 16 years ago
Vocabulary

Substitution VS exchange

What is the difference between substitution and exchange?
  

Top answer

With substitution the thing or person being substituted takes the place of the original thing or person. It needs to be used for the same purpose. Exchange does not have this constraint.

  • With substitution the thing or person being substituted takes the place of the original thing or person.
  • It needs to be used for the same purpose.
  • Exchange does not have this constraint.
  • So a footballer is substituted for another footballer.
  • My daughter exchanged a poster for a pair of roller skates.
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1 Answers
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With substitution the thing or person being substituted takes the place of the original thing or person. It needs to be used for the same purpose. Exchange does not have this constraint.

So a footballer is substituted for another footballer.
My daughter exchanged a poster for a pair of roller skates.

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