麦肯锡全球研究院调研了包括煤炭，钢铁，自动制造业和零售业在内的2000多家中国企业，并认为到2030年有机会将生产效率提升20~100 ％ 。
When the McKinsey Global Institute analyzed more than 2,000 Chinese companies in industries ranging from coal and steel to auto manufacturing and retail, it found opportunities to raise productivity by 20-100% by 2030.