昨天是镜子是财富刘忠德参加全国革命文化史料征集工作的同志们做了大量的很有成效的工作，首先我代表部党组向大家表示衷心的感谢。我们党的事业是连续的；我们的革命文化工作也是连续的。没有昨天就没有今天。同样，今天的文化工作也是建立在昨天文化工作的基础上，建立... Yesterday was a mirror where the wealthy Liu Zhongde took part in a great deal of fruitful work in participating in the work of collecting revolutionary historical materials in the country. First of all, I would like to express my heart-felt gratitude to all of you on behalf of the Ministry Party Group. The cause of our party is continuous; our revolutionary and cultural work is also continuous. No yesterday there is no today. Similarly, today's cultural work is also based on yesterday's cultural work, the establishment of ...