pacesetter

基本解釋

Harry was the fastest runner, and was the pacesetter for the entire marathon.
哈裡是跑得最快的選手，而且也是整個馬拉松比賽的領跑者。
Some expert observers have hailed Hong Kong's move as a pacesetter which may help establish a benchmark for Southeast Asia and other regions to emulate.
一些專家觀察員贊敭香港此擧是率先垂範，爲南亞和其他地區(qū)設立了傚倣的榜樣。
By playing the good global citizen, Europe aims to become the world's pacesetter.
通過玩弄全球善良的公民，歐洲試圖成爲世界的標兵。
blog.sina.com.cn

But the prime minister's early success as a pacesetter in European defence could prove hard to sustain, given the awkward issues that lie ahead.
ECONOMIST: Blair’s defence offensive The
Geico, now wholly owned by Berkshire Hathaway, and the pacesetter in auto insurance, is going for share of market, big time, and will give Allstate a run for its money.
FORBES: Market Trends: Forget the annuals, read proxies

A pacesetter is someone who is in the lead during part of a race or competition and therefore decides the speed or standard of the race or competition for that time.
A pacesetter is a person or a company that is considered to be the leader in a particular field or activity.