pivotal line

例句：

1. 1. The decision was pivotal to the outcome of the election.
   这个决定对选举的结果至关重要。
2. 2. The success of the project depended on the pivotal factor.
   项目的成败取决于这个关键因素。
3. 3. The leader's actions were pivotal in shaping the country's future.
   领导者的行动在塑造国家未来中起着决定性作用。