1. Background and theme: Zhu Ziqing's Moonlight on the Lotus Pond is an essay describing the beautiful scenery the author saw when walking around the lotus pond in the moonlight, expressing his longing for beauty and disappointment with the dark reality, while Sun Li's Moonlight on the Lotus Pond is a poem focusing on the moonlight on the lotus pond, expressing people's yearning for a better life, love for nature and expectation for the future.

2. Expression: Zhu Ziqing's Moonlight on the Lotus Pond presents the beauty of the moonlight on the lotus pond to readers through delicate descriptions and metaphors, and outlines the beauty and charm of the scenery with words, while Sun Li's Moonlight on the Lotus Pond expresses emotions through music and songs, and conveys people's yearning and love for a better life.