1.要点提示

1）Recall your experience: who the addressee is, when and why you sent the letter, etc.

2）Tell people the gist of your letter.

2.结构示例

1)Well, I can hardly remember when the last time was. I haven’t written a letter for quite a long time.

2)I guess it was probably ten years ago, I wrote a letter to my cousin. I asked her about her new life as a high school student. I also recommended an animation to her.