以下三个句子求大神语法分析
Having a book published is a great achievement for anyone,but Zhang Yuncheng's success is particularly special.
Yuncheng also taught himself to write and when he was 17 he wrote a letter to a newspaper describing his situation and his dream of a better life.
Yuncheng's book describes what his life is like,what his hopes and dreams are and how he overcomes the problems he faces every day.
选自高二英语选修7《zhang yuncheng achieves his ambition》