In Chapter 37 of Romance of the Three Kingdoms, what is the main content of Si Mahui's recommendation of Liu Xuande?

On the 37th trip back to Si Mahui, I recommended Liu Xuande, a famous person, to visit the thatched cottage.

Si Mahui visited Liu Bei and described Zhuge Liang's talents to him. Liu Bei led Guan Yu and Zhang Fei to Longzhong, which coincided with Zhuge Liang's trip and had to return to Xinye. A few days later, Liu Bei came to Longzhong again and met Zhuge Liang's brother Zhuge Jun. Zhuge Jun told Liu Bei that Zhuge Liang had disappeared.

Extended data:

Romance of the Three Kingdoms is a long historical novel, which can be said to be the pioneering work of Zhang Hui, an ancient Chinese novel, and one of the four classical novels. The writer is Luo Guanzhong of the Ming Dynasty. The story begins with the Yellow Scarf Uprising and ends with the final reunification of the Western Jin Dynasty. The Three Kingdoms refer to Wei, Wu. This novel is beautifully narrated throughout, and is regarded as China's strategic encyclopedia.

The book describes the historical situation of nearly a hundred years from the end of the Eastern Han Dynasty to the beginning of the Western Jin Dynasty, mainly describing the war, and tells the story of the warlord melee, the political and military struggle of Wei, Shu and Wu in the end of the Eastern Han Dynasty, and finally Sima Yan unified the three countries and established the Jin Dynasty. It reflects the transformation of various social struggles and contradictions during the Three Kingdoms period, summarizes the historical changes of this era, and shapes a group of heroes of the Three Kingdoms.

The book can be roughly divided into five parts: The Yellow turban insurrectionary, Dong Zhuo's rebellion, competing among the heroes, the Three Kingdoms' separation, and the Three Kingdoms' return to Jin. On the vast historical stage, a magnificent war scene was staged. Luo Guanzhong, the author, combines the thirty-six strategies of Sun Tzu's Art of War between the lines, including both the plot and the strategy of Sun Tzu's Art of War.

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