1. I always like to read the introduction at the beginning of a book.
我总是喜欢在开始的时候读一本书的介绍。

2. At the beginning of the movie, the main characters are introduced.
电影一开始，主要角色就被介绍了。

3. It's important to set goals at the beginning of a project.
在项目开始阶段设定目标很重要。

4. At the beginning of the school year, students are excited to see their friends again.
开学时，学生们都很兴奋能再次见到朋友。

5. The teacher always reviews the material covered in the last class at the beginning of each lesson.
老师总是在每节课的开始回顾上一节课讲过的内容。

6. At the beginning of a relationship, it's important to establish trust and communication.
在一段关系的开始阶段，建立信任和沟通是很重要的。