At the end of 2017, bike-sharing services in China had about 221 million users and were estimated to have helped cut carbon emissions by over 6.99 million tons, a report said Wednesday.

　　周三，一份报告显示，截至2017年底，国内拥有近2.21亿共享单车用户。据估计，共享单车已减少逾699万吨碳排放。

　　The 41st China Statistical Report on Internet Development, released by the China Internet Network Information Center, said the sharing economy saw a boom in China last year and the number of bike-share users increased by 115 million in just half a year.

　　由中国互联网络信息中心发布的第41次《中国互联网络发展状况统计报告》显示，去年共享经济在我国发展迅猛，仅半年时间共享单车的用户量便增长1.15亿。

　　The users cycled over 29.9 billion km in total last year, the report said, adding that using bike-sharing combined with metro services has increased transportation efficiency compared with private vehicles.

　　报告称，去年一整年，共享单车用户的骑行量超过299亿公里。与私家车相比，使用“共享单车+地铁服务”极大地提升了出行效率。

　　The bike-sharing industry has also created over 30,000 jobs in offline operation and maintenance, it said.

　　据报告，共享单车产业还创造了30000余个线下运维岗位。