method of critical levels

例句：

1. 1. Thedecision was critical to the success of theproject.
   这个决定对项目的成功至关重要。
2. 2. Thescientist's findings were critical in solvingthe mystery.
   科学家的发现在解开这个谜团中起到了关键作用。
3. 3. The company's survival depends on its ability toadapt to changing market conditions.
   公司的存续取决于其适应市场变化的能力。