If you want to have a deeper understanding of the dual concept in Li Weng Dui Yun, you can refer to Li Weng Dui Yun Annotation published by Zhonghua Book Company and Li Weng Dui Yun Jing Jie published by Zhejiang Ancient Books Publishing House. These two versions explain the concept of duality deeply and are suitable for intermediate and advanced learners.
Generally speaking, different versions of "Li Weng Dui Yun" have their own characteristics. You can choose the version that suits you according to your learning needs and reading habits.