人生就像比赛,在比赛中竞争.
life is a game where you are always competing
=life is a game in which you are always competing
=you are always competing in the game
选where,从句中作状语game为什么要用where，用关系副词的话，是不是只能用where？关系副词三个，where，when，whywhere,用在地点上，虽然game是个抽象的概念，也是地点when，时间why,理由