gradual execution

例句：

1. 1. We need to take a gradual approach to solving this problem.
   我们需要采取逐步的方法来解决这个问题。
2. 2. The project will be completed gradually over the next few months.
   该项目将在接下来的几个月内逐步完成。
3. 3.Gradually, the temperature began to rise.
   温度逐渐开始上升。