stage by stage

例句：

1. 1. The play has three main stages.
   这部戏剧有三个主要阶段。
2. 2. He is in the final stage of his career.
   他正处于职业生涯的最后阶段。
3. 3. The company is in a financial crisis at the current stage.
   该公司目前正处在财务危机的阶段。