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中文： 票证、配给券、优惠券、息票

1. A section of a ticket, showing the holder to be entitled to some specified accommodation or service, as to a passage over a designated line of travel, a particular seat in a theater, a discount, etc.
2. A voucher issued by a manufacturer or retailer which offers a discount on a particular product.
3. Any interest payment made or due on a bond, debenture or similar (no longer by a physical coupon).
4. A small sample of a bulk material, prepared so that test failure will be representative.

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