unpaid
adj.
late 14c., in reference to persons, from un-(1) "not" + past participle of pay, v.. Of debts, attested from late 15c.
| 词汇 | unpaid | 
| 词根词缀 | Online Etymology Dictionary unpaid adj. late 14c., in reference to persons, from un-(1) "not" + past participle of pay, v.. Of debts, attested from late 15c. | 
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