game changer
noun/ˈɡeɪm tʃeɪndʒə(r)/
/ˈɡeɪm tʃeɪndʒər/
- a person, an idea or an event that completely changes the way a situation develops
游戏规则改变者（指彻底改变事态发展的人、理念或事件） - The advent of the digital camera proved to be a game changer in the photography industry.
事实证明，数码相机的出现改变了摄影行业的游戏规则。
- The advent of the digital camera proved to be a game changer in the photography industry.