pivotal fault

例句：

1. 1. The decision was pivotal to the success of the project.
   这个决定对项目的成功至关重要。
2. 2. The company's survival depended on its ability to adapt to changing market conditions.
   公司的存续取决于其适应市场变化的能力。
3. 3. The outcome of the meeting hinged on the final proposal.
   会议的结果取决于最后的建议。