More than 5, 000 competitors from around the world took part in the Tough Guy Challenge over an extreme obstacle course on Sunday in Perton, South Staffordshire, UK.

周六，英国特尔福德镇，来自世界各地的5000多名竞争者参加了硬汉挑战赛，他们正在跨越极限障碍。

youdao

Here's a candidate--here's an outcome with two entrants in it, an extreme right-wing guy and an extreme left-wing guy.

这是个候选人,有两个加入者,一个极端左派的人和一个极端右派的人

耶鲁公开课 - 博弈论课程节选