The US middle class has shrunk to just half the population for the first time in at least four decades as the forces of technological change and globalisation drive a wedge between the winners and losers in a splintering society.
美國中產階級至少40年來首次萎縮至只佔人口的一半。技術革新和全球化帶來了一個割裂的社會，贏家和輸家之間的差距不斷拉大。
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