An old comrade said earnestly to those born in the 1980s and 1990s: "Don't play with those Bitcoins, those virtual things, do something real and buy a house in Beijing and marry a wife. How great!" The post-90s generation replied: "You all The cost of a house costing several thousand yuan has been reduced to 100,000 yuan per square meter. If we don’t find another way out and sell you a string of numbers for 100,000 yuan each, how can we afford a house?”