关键所在

例句：

1. 1. The success of the project depends on the key points we discussed earlier.
   项目的成败取决于我们之前讨论的关键要点。
2. 2. The company's survival hinges on its ability to adapt to market changes.
   公司的生存取决于其适应市场变化的能力。
3. 3. The solution to this problem is the key point that we need to focus on.
   解决这个问题的关键在于我们需要关注的关键点。