Structure:

1. This flow chart is about the process of / life cycle of ...

2. The first / initial step is ...

3. This is closely followed by the second step, which is to/by using ...

4. After completing this step, it enters the third step. And the main tool / characteristics for this step is ...

5. Then it's finally modified / converted / transformed into...

6. In general, the process of ... is very complicated.

Notes:

Step 可被 Stage 替换

Practice: