His Web site says he was working with professional jazz musicians by the time he was fifteen in his home town of Kansas City,Missouri.

VOA: special.2010.03.12

In 1848 he was working at a site with explosives and iron rods.

848年，他在有爆炸物和铁棒的工地工作。

耶鲁公开课 - 心理学导论课程节选

A team of surgeons is working to harvest an organ at one site while another team of surgeons is working to prepare the recipient at another site, and the organ is flown there.

一组外科医生,将器官从供体取出的同时,另一组医生在另一个地方,为移植手术做准备,等待器官空运过去

耶鲁公开课 - 生物医学工程探索课程节选

Preservationists have been working to retain the site's status by promoting awareness among Lebanese and reaching out to the media.

VOA: standard.2010.08.05

Many hope they will get jobs at the new gold mine. Saidu Kamara supports his family by working in one of the small pit mines inside the Baomahun site.

VOA: standard.2010.04.22