prepare a scheme of

例句：

1. 1. We must prepare for the unexpected events that may occur.
   我们必须为可能发生的意外事件做好准备。
2. 2. The teacher prepared a lesson plan for the next class.
   老师为下节课准备了教案。
3. 3. She prepared a special meal for her friends' birthday party.
   她为朋友的生日派对准备了一顿特别的饭菜。