What does "ivory tower" mean? Please, everyone, thank you.

the origin and original meaning of Ivory Tower is based on chapter 7, section 4 of the Old Testament, song of songs). Solomon, the wise and rich king of Israel, wrote 15 poems, among which the song of songs is a song of love. In the fifth song, the groom praises the bride like this: "… Your neck is like an ivory tower. Your eyes are pools in Heshbon, by the gate of bath-rabbim …" (…… your neck is like an ivory tower; Your eyes are like a pool by the gate of Batnarah in Heshbon; ……)。 It is clear that the "ivory tower" here is only used to describe the beautiful neck of the bride. Saint-Beuve Charles Augustin (184-1869), a 19th century French poet and literary critic, criticized contemporary France in his letter to veerman? ? The pessimistic and negative mood in the works of the diffuse poet Vigny (Alfred Victor 1797-1863) advocates that the writer should break away from the vulgar bourgeois reality and enter an artistic world of subjective fantasy-the ivory tower. [Edit this paragraph] The words "Xanadu" and "Ivory Tower" of writers and artists were gradually applied to all aspects of social life, mainly referring to "isolated dreamland, Xanadu escaping from real life and secluded place". In Chinese, the ivory tower originally refers to ignoring the ugly and miserable life of the real society, but hiding in its ideal and happy situation to engage in creation, which means escaping from the real society, staying away from life, hiding in a lonely and comfortable personal world, and engaging in writing activities with subjective fantasies; The extended meaning is mainly "a metaphor for the small world of writers and artists who are divorced from real life". Universities and research institutes are such places. Zhou Zuoren used the metaphor of a scholar living in a high tower. It may be influenced by Chuchuan Shirakamura's Out of the Tower of Ivory. [Edit this paragraph] A desirable university campus Mr. Lu Xun once called on revolutionary writers and artists to go out of the ivory tower, into the society, and into the center of the vortex so as to create good works that reflect real life. In reality, some people mistakenly think that it is the meaning of institutions of higher learning, but it is not! The ivory tower is just a concept, and people use it in their lives to illustrate the unreality of their lives. College life is beautiful, and it is also a place that many people yearn for, but after all, it is just an imagination of those who have not come. Remember to recognize yourself! [Edit this paragraph] Other meanings of "ivory tower" The ivory tower also represents a kind of fantasy technology to be proved, especially the high-end problem of space exploration, which is what the science fiction book "The Mystery in the Ivory Tower" says. In addition, the ivory tower means more than just schools and research institutes today. Due to the popularity of Blizzard's Warcraft game in the world, more and more Warcraft words have been circulated on the Internet, and the ivory tower is one of them. It is a mini tower sold by Terran stores, which is used to build a watchtower in the target area. The ivory tower is necessary for Terran's home travel, and it can be built at a very fast speed, and it can buy three at a time. It takes 1 gold and 7 wood for human beings to build an arrow tower with farmers, 3 gold and 2 wood for the mini tower, and 7 gold and 5 wood for the ascending arrow tower. Therefore, the three human ivory towers (speeding up the construction of the arrow towers) are completely free of charge, just like those made by farmers. The ivory tower, which is known as the Terran Bug, is an indispensable weapon for Terran tower rush's wave flow tactics and fast mine flow tactics. The ivory tower can be upgraded to mysterious tower, arrow tower and turret.