all stage

例句：

1. 1.The research is at all stages of development.
   研究正处于发展阶段。
2. 2. We need to understand the all stages of the process.
   我们需要了解整个过程的所有阶段。
3. 3.The company is in all stages of growth.
   公司正处于成长的各个阶段。