unpaid 核心词议：
adj. 未付款的；不受报酬的
unpaid 基本解释
adj. 未付的；（债等）未还、未缴纳的；不支付薪水服务的
速记方法
速记技巧
词根词缀法
un-否定+paid（-pac-）和平→支付
知识扩展
相关单词
outstanding优秀的due应有的owing未付的amateur外行voluntary自愿的honorary荣誉的free自由的unsettled未处理的overdue过期的in arrears拖欠recreational娱乐的volunteer志愿者【反义词】paid已付钱的
重要短语
unpaid leave无薪假；准假停薪
中文词源
中文词源：
unpaid
精选例句
1、 While old debts are still unpaid,new ones are incurred.
老账未清，又欠新账。
常见考点例句：
- The habitual use of unpaid enforced overtime is common across many sectors .
- 经常性的无报酬强制加班在很多行业里都非常普遍。
- When long spells of unemployment are common , temporary unpaid work provides a means to maintain and improve skills while building contacts .
- 在长期失业现象普遍存在的情况下，短期内无报酬工作却可以帮助人们提高技能，建立与用工单位的联系。
- Given stiff competition for new positions , unpaid labour allows a worker to signal his or her fitness for the job relative to applicants .
- 由于现在市场上对新职位竞争之激烈，短期无报酬的工作却可以给应聘者提供一个展现自己能力的机会
- Content refers to the unpaid facebook pages gm and other companies use to promote their products .
- 通用汽车和其它企业都在利用facebook的免费页面推广产品。
- Ziplock baggies full of the stuff were crammed in her freezer and unpaid bills crowded her kitchen table .
- 装满母乳的自封袋塞满了她的冰箱，而贫困的家境却让她的餐桌上堆满了未付的账单。