Free plastic bags can' t be used at shops and supermarkets in China, and people have to pay for plastic bags.

在中国，商店和超市不能使用免费的塑料袋，人们必须为塑料袋付费。

youdao

The editor is not only offered 5,000 dollars to pay off his newspaper's debts, but this Smith character also offers his services for free.

这个叫史密斯的人不仅给主编5000美元来他欠报社的钱，而且还免费为主编提供服务。

youdao

Worst of all, when her son, Ned, fell and injured his knee, she refused to pay for a doctor and spent hours looking for free medical help.

最糟糕的是，当她的儿子内德摔坏膝盖时，她拒绝请医生，而且花了几个小时寻找免费的医疗帮助。

youdao

The question is how much are people willing to pay for news that they have gotten used to receiving for free?

VOA: special.2009.04.20

So, when the mortgage ends, you're just clear and free; you don't have to pay anything--nothing comes at the end.

因此,抵押贷款正好在到期时全部还清,贷款期末你不再偿还任何金额

耶鲁公开课 - 金融市场课程节选

Sometimes they're free. Sometimes you can pay for them.

有时是免费的。有时你要付钱看。

看表演很好 - SpeakingMax英语口语达人

She said anyone with queries about the national minimum wage could call a free pay and work rights helpline.

BBC: 'Forced labour' of migrants in UK food industry

So, when it comes to the living wage, politicians are really looking for a free lunch: or rather, a free pay rise.

BBC: Living wage: Is there such a thing as a free pay rise?

But a free pay rise - for the government and for workers - is unlikely to be available for all of them.

BBC: Living wage: Is there such a thing as a free pay rise?