ad hoc approach

例句：

1. 1.The team decided to make a change in the strategy for the upcoming game.
   团队决定改变即将到来的比赛策略。
2. 2. The ad hoc committee was formed to address the urgent issue of water shortages.
   为了解决紧迫的水短缺问题，成立了一个临时委员会。
3. 3.The event was an ad hoc gathering of friends and colleagues to celebrate the company's anniversary.
   这是一个朋友和同事的临时聚会，庆祝公司的周年纪念日。