It means the passage of time. The literal meaning of the change of years is that time goes by little by little. It is a metaphor for how time flies, year after year. It is often used to sigh that time goes by quickly, and it is another year in a blink of an eye.

source: there is a poem "Circulation" written by Gu Yanwu in Qing Dynasty: "Where is my land when it circulates between Wu Hui?"

meaning of the poem: I am migrating between Wu Hui (now Shaoxing). Where is my home? Extended data

Appreciation:

Time goes by little by little, and before you know it, it is fleeting, just like a fleeting moment. Time flies, as if yesterday was a cool winter with layers of snow, and today is a scorching summer. Time flies, and it must be cherished, and the rain is sunny and diligent.

Writer's background:

Gu Yanwu (1613-1682) is a famous thinker, historian and linguist, and he is also known as the three great Confucians in the late Ming Dynasty and early Qing Dynasty with Huang Zongxi and Wang Fuzhi.

Its real name is Ji Kun, and its name is crimson, and its word is loyal and clear; After the defeat of Nandu, he changed to Yanwu, and the word Ningren was named Tinglin. He was a Shan Jiang figurine, Han nationality, and was born in Kunshan (now Jiangsu), Suzhou, South Zhili.

In the Ming Dynasty, when they were young, they became angry and learned to apply their knowledge. They joined the anti-Qing rebellion in Kunshan. After defeat, they roamed the north and south, visited the Ming Tombs for ten times, and died in Quwo at the age of five.

He is well-learned, and has studied the national canon system, anecdotes of counties and cities, astronomical phenomena, rivers and canals, military farmers, hundreds of classics and history, and phonological exegesis.

In his later years, he paid more attention to textual research, which initiated the atmosphere of simple learning in Qing Dynasty. His learning is based on erudition and self-shame, and he combines learning and practice, and studies and studies as one. Poetry is a masterpiece of feeling when it hurts.