1. They struggled to limit the cost by enforcing a low-tech specification. 他们通过强制执行一种低技术规范来竭力限制成本。
2. A referee officiates at sporting events, such as netball, hockey, and football, by interpreting and enforcing match rules. 在体育赛事,如球赛、曲棍球、足球比赛中,裁判解释和执行比赛规则。
3. A referee officiates at sporting events, such as netball, hockey, and football, by interpreting and enforcing match rules. 在体育赛事,如球赛、曲棍球、足球比赛中,裁判解释和执行比赛规则。