孤独是世界绝症
[gū dú shì shì jiè jué zhèng]
The username 'Loneliness is the World's Incurable Disease' indicates the user believes loneliness is a widespread and incurable problem in today's society, just like many terminal illnesses are hard to conquer or cure, reflecting possibly the user’s view on the prevalence and difficulty in dealing with human loneliness globally.