## 4 Results and Discussion  
### Temporal and Trend Analysis  
Temporal and trend analysis can elucidate how the volume of posts related to common prosperity fluctuates over time. This approach will reveal the changing patterns of public interest in this topic and identify dates with abnormally high volumes of posts. Such spikes in activity can guide our investigation into the contemporary political hot topics at those times, thereby furnishing contextual insights that enhance the interpretation of text mining results. As shown in Figure 4, the temporal trend in the volume of Weibo posts related to common prosperity reveals significant fluctuations over the period studied. In 2021, there were 103,623 posts concerning common prosperity, and this number slightly increased to 105,488 posts in 2022. However, there was a noticeable decline in 2023, with the count dropping to 54,282 posts. Figure 5 illustrates the daily distribution of these posts, providing insight into engagement levels over time. Figure 4: Number of posts per month about common prosperity on the Weibo platform from 2021 to 2023. As detailed in Table 4, public discussions on common prosperity were most intense in 2021, with 12 days recording over 1000 posts and an additional 41 days seeing between 500 to 1000 posts. Starting in 2022, however, the popularity of the topic gradually declined, with no days in either 2022 or 2023 exceeding 1000 posts per day. This trend suggests a waning public interest or shifting focus in the discussions surrounding common prosperity on social media platforms. Our analysis identifies a clear correlation between significant political, economic, or social events and spikes in discussion volumes related to common prosperity. Major events coinciding with the highest posting days are detailed in Table 5.  
In 2021, the concept of common prosperity gained substantial traction following frequent mentions by senior officials, including President [PERSON]. The public's interest was particularly piqued by high-profile meetings chaired by [PERSON], as well as articles he authored. Government documents and press conferences further fueled discussions, as did substantial investments by corporations like Tencent and Alibaba, and vigorous government ac \begin{table}
\begin{tabular}{c c c c c c c} \hline \hline
**Number of Posts** & **2021** & **2022** & **2023** & **Number of Posts** & **2021** & **2022** & **2023** \\ \hline
1800–1899 & 1 & 0 & 0 & 800–899 & 2 & 1 & 1 \\
1700–1799 & 1 & 0 & 0 & 700–799 & 8 & 2 & 0 \\
1600–1699 & 0 & 0 & 0 & 600–699 & 6 & 4 & 1 \\
1500–1599 & 0 & 0 & 0 & 500–599 & 23 & 13 & 1 \\
1400–1499 & 1 & 0 & 0 & 400–499 & 35 & 29 & 1 \\
1300–1399 & 2 & 0 & 0 & 300–399 & 51 & 47 & 9 \\
1200–1299 & 2 & 0 & 0 & 200–299 & 51 & 106 & 49 \\
1100–1199 & 2 & 0 & 0 & 100–199 & 65 & 137 & 216 \\
1000–1099 & 3 & 0 & 0 & 1–99 & 110 & 24 & 87 \\
900–999 & 2 & 2 & 0 & & & \\ \hline \hline \end{tabular}
\end{table} 
Table 4: Statistics for posting volume from 2021 to 2023 (unit: day). Figure 5: Number of posts per day about common prosperity on the Weibo platform from 2021 to 2023.  
tions against tax evasion, all of which were aligned with common prosperity themes. In 2022, the Chinese government's focus shifted from anti-monopoly and tax evasion measures to controlling the COVID-19 pandemic and promoting economic development. The government repeatedly clarified that common prosperity aims not at wealth redistribution from the rich to the poor but rather at expanding the overall \"economic cake\" through development. These clarifications helped moderate the intensity of public discussions on common prosperity. Nevertheless, the topic continued to generate significant engagement, with most days recording over 100 posts and occasionally sparking periods of intensified debate. This sustained interest indicates that common prosperity remains a pertinent issue, consistently engaging the public and provoking ongoing discourse\".