You are entitled to a free gift whether you accept our offer of insurance or not.

无论你接不接受我们的保险提议，你都可以免费得到一份礼物。

《牛津词典》

They agreed to see whether they could not set the princess free.

他们同意去看看是否能把公主放出来。

youdao

It depends on whether I'm free or not.

这取决于我是否有空。

youdao

The University of Nottingham study examined whether the possibility of punishing free-riders leads to better group results.

VOA: special.2009.03.03

But we obviously can't commit before we find out whether she's free.

但在确定她是否有时间之前，我们肯定没法确定。

Let me 实战 - SpeakingMax英语口语达人

Vice President Joe Biden says the United States has questions and doubts as to whether Iran's presidential vote was free and fair.

VOA: standard.2009.06.14

There is no free lunch whether with coal mining or deep-water drilling, or for those who are honest, in the enormous underlying mining and chemical infrastructure needed to build vast arrays of wind and solar farms.

FORBES: Post Fukushima-- burn more coal and oil, and hire more engineers not regulators

The proposals mean all restaurants in England would be smoke-free, along with pubs and bars serving food, she added, and "non-food" pubs and bars will be free to choose whether to allow smoking, or be smoke-free.

BBC: NEWS | UK | UK Politics | Cabinet agrees England smoke ban

And New Relic does have a sales force but the sales people take calls from customers who have tried the product online and are seeking advice on whether they can satisfy their need for performance monitoring with the free version or whether they need the premium one.

FORBES: New Relic Up-Ends Tradition