Around the world, downward social mobility is replacing upward, the middle class is disappearing, life expectancies are growing, societies are aging, and more and more young people are responding by rejecting the idea of growing up.
縱觀全球，社會階級「向下流動」、中產階級漸漸消失，加上人類「人工延壽」，壓力越來越重的同時，年輕人卻越來越拒絕長大。