Surging exports and the industrial production needed to sustain them kept China’s economy growing over the past three months, even as consumer spending stagnated and investment plunged. 过去三个月，激增的出口以及维持这些出口所需的工业生产支撑中国经济保持增长，而消费支出停滞、投资大幅下滑。 China’s National…