第一段概括说要推荐的内容：I am writing to you to recommend .I have sufficient reasons to introduce this to you and I dare say this is the best I have ever seen.
第二段叙述推荐的东西的价值，可以从表面和深层两方面来写：This movie/book/city的主题或城市坐落于哪里。What is more, 情节吸引人、里边景色引人入胜。Finally, this movie will definitely change our attitude toward this world and the people around us. We will learn that......
第三段总结句：Therefore I don’t hesitate to recommend this to you. I am sure you will enjoy the。