a sabbatical leave的用法和样例：
- Q: Why did you choose to take a sabbatical?
- Why did you choose to take a sabbatical?
- Will you go somewhere else in your sabbatical leave next year?
- Sabbatical leave is a popular policy in universities all over the world.
- These guidelines were prepared to help the DFLL faculty apply for leave of absence without pay and sabbatical leave.