beginning of morning twilight

例句：

1. 1.The beginning of the new year is always exciting.
   新年的开始总是令人兴奋的。
2. 2. The beginning of the project was met with some resistance.
   项目的开始遭到了一些阻力。
3. 3. The beginning of the story sets up the main conflict.
   故事的开始设定了主要冲突。