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"Family and friends may be asymptomatic and as we can see from Victoria, COVID-19 spreads at an exponential rate, particularly among close contacts," he said.

"Facing pressure from uncertainties related to global trade, a growing number of Chinese companies have attached importance to the development of high-tech products to tap the overseas market," said Xu Bing, spokesman of the China Import and Export Fair.

"Enabling participation from entrepreneurs can further refine the transmission mechanism of policies at both macro-and micro-levels, and thus make the policies more down to earth and carried out more precisely," she said.

"Donald Trump says we're leading the world. Well, we are the only major industrial economy to have its unemployment rate triple," Clinton, US president from 1993 to 2001, said in excerpts of his remarks released in advance.

"Data is the core of New Manufacturing and harnessing data insights is key to capturing new opportunities in the shift in consumer preferences for personalized rather than mass-produced goods," said Wu Xuegang, CEO of Xunxi Digital Technology Co under the Alibaba Group.