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TRoptional
/ˈɒpʃənəl/
/ˈɑpʃənəɫ/, /ˈɔpʃənəɫ/
Examples
1. The seven seats are optional.
2. Chris Buckley's, Thank You For Smoking, is optional.
3. The Velcro pint container lid rack is optional.
4. The fork and plate are optional.
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