But the field of e-health, as it's called,is moving forward, and some of the most notable advances are happening in developing countries.

VOA: standard.2010.02.24

Now a development economist--that's Santosh's field-- Development economics is a very important field in economics that is helping less developed countries emerge.

发展经济学...那是桑托什的研究领域,发展经济学是,经济学中一个非常重要的领域,它研究的是如何帮助欠发达地区实现经济崛起

耶鲁公开课 - 金融市场课程节选

The ruling party's Ali Ben Bongo is the front-runner in a crowded field of candidates.

VOA: standard.2009.08.28

At the Chicago White Sox U.S.Cellular Field on Chicago's South Side, the 30-year-old pitcher retired all 27 batters from the Tampa Bay Devil Rays without allowing anyone to reach first base, pitching a perfect game and putting his name in a record book occupied by only 17 others in Major League history.

VOA: standard.2009.07.24