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User Name | Thread Name | Subject | Posted |
GUEST,Roving Troubadour | Why do the birds 'change their voices'? (33) | RE: Why do the birds 'change their voices'? | 29 May 17 |
It's very obviously a contraction of the word "exchange"; a shorthand and poetic way of saying they sing to each other. In the same way the word "change" used in the context of money doesn't mean alter, but refers to an exchange of coins and goods, or notes for coins. |