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"Fierce competition for logistics efficiency in China has given birth to innovation, and these innovations are beginning to spread to the global logistics sector," Ross said.

"Forced technology transfer? No, not that I have heard of in my profession," said businessman Wu Song at the China Refrigeration Exhibition in Beijing this year.

"Further studies into microbial pathogens such as bacteria and viruses and immunological antibodies are urgently required, to help validate saliva for future routine specimen collections, in this and future pandemics," Han said.

"For decades, trains were the top transport choice of travelers, especially before 2000 when there were hardly any other choices for long journeys," he said, recalling how crowded the carriages were during peak travel seasons. "Passengers were everywhere - on the aisles, under the seats, and even in the toilets.

"Garbage disposal is certainly no trivial or household matter," Dai said. "It is a difficult problem that the world today needs to tackle head-on."