2 The picture illustrates...... 该图展示了...
3 It mainly consists of followingsteps. 它主要包括以下步骤
4The whole procedure can be dividedinto...stages. 整个的过程可以分为...步
5 The first step is to第一步是...
6 The next step is to接下来的一步是...
7 The last step is to最后的一步是...
8 The first stage involves第一步包括...
9 In the nextstage接着，
10 In the laststage最后