multiple-lift

例句：

1. 1. The company has implemented a multiple-lift system to improve efficiency.
   该公司已经实施了一个多级提升系统来提高效率。
2. 2.The project requires a multilevel approach to ensure success.
   该项目需要采用多级方法以确保成功。
3. 3. The research team is working on a multidimensional model to better understand the issue.
   研究团队正在研究一个多维模型，以更好地理解这个问题。