- 乌托邦社会主义 wūtuōbāngshèhuìzhǔyì utopian socialismA socialist theory based on human reason and justice rather than class struggle; first appearing in the 16th century, it is associated with thinkers like Thomas More, Robert Owen, and Saint-Simon
- 反乌托邦 fǎnwūtuōbāng dystopiaAn imagined place or state in which everything is unpleasant or bad, often a totalitarian or environmentally degraded society.