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1·I knew his help wouldn't be given gratis.

我知道他的帮助不会是无偿的。《牛津词典》

2·David gives the first consultation gratis.

戴维免费提供第一次咨询。《柯林斯英汉双解大词典》

3·What I did for you was free, gratis, you understand?

我为你所做的都是免费的、不收钱的，你明白吗？《柯林斯英汉双解大词典》

4·We provide gratis service.

我们提供免费服务。

5·All this work is gratis.

所有的工作都是免费的。

6·You can get the sample gratis.

你可以免费得到样品。

7·I'll give you this gratis.

这是我免费送给你的。

8·No wonder it is like a gratis supper.

怪不得像免费的一样。

9·Breakfast was gratis for hotel guests.

入住酒店的客人可以免费享用早餐。

10·Entrance is gratis.

免费入场。

无偿

1·Compulsory education is an education system that the nation has universality to the children at school age which has law guarantee, equal, force, gratis and other characteristic.

义务教育是国家以法律保障对学龄儿童实施的一种具有普及、平等、强制、无偿等诸多方面特征的教育制度。

2·Any unit and individual shall provide convenience for fire alarm reporting gratis and shall not obstruct the reporting. It is strictly prohibited to make false reporting of fire.

任何单位、人都应当无偿为报警提供便利，不得阻拦报警。严禁谎报火警。

3·How long can you love me?The love of family, gratis, but keep on lifetime;

你们可以爱我多久?亲情的爱，无偿，却持续一辈子；

4·Article11. As of the post pillar-boxes (boxes) or newspaper windows established according to the municipal program and the social needs by the post enterprises, used gratis;

第十一条 邮政企业根据城市规划和社会需要设置的邮政信筒（箱）、阅报橱窗，其所占用的场地无偿使用；

免费的

1·David gives the first consultation gratis.

戴维免费提供第一次咨询。《柯林斯英汉双解大词典》

2·We provide gratis service.

我们提供免费服务。

3·All this work is gratis.

所有的工作都是免费的。

4·Sometimes, gratis work can even lead directly to a paid opportunity.

有时候，免费工作甚至会直接带来付薪的工作机会。

5·Expensive wine subsidizes food in a restaurant, and the original free lunch was a gratis meal for anyone who ordered at least one beer in San Francisco saloons in the late 1800s.

餐馆通常以廉价食物补贴昂贵的葡萄酒；最初的“免费午餐”出现在十九世纪末的洛杉矶，但也只是对那些至少有定购一瓶啤酒的顾客免费提供。