begin the dance

例句：

1. 1. We must begin our work early to avoid delays.
   我们必须尽早开始工作以避免延误。
2. 2. The teacher began the lesson with a brief introduction.
   老师以简短的介绍开始了课程。
3. 3. The project began with a design phase.
   该项目从设计阶段开始。