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"Contrary to our hypothesis, young adults with high (social media use) seem to be more, and not less, socially isolated," the researchers said in a study published in July in the American Journal of Preventive Medicine.

"Cruise tourism is still in its infancy in China, so the related travel offerings are rather lower in price. Besides, cruises departing from China usually head to neighboring countries like Japan, where the ports are not that suitable for cruises to dock because of inadequate facilities," said Zhang Gaowei, Lvmama's director of cruise tourism.

"Compared with the traditional online travel agencies, vacation rental platforms perform two key functions. One, they help landlords reduce operational and maintenance costs and also offer various value-added services to customers. Two, the platforms use sophisticated systems to support the entire social credit system," said Yu Fengxia, deputy director of the Sharing Economy Research Center, which is part of the SIC.

"Chinese businesses will inevitably take on a global leadership role as it participates more closely in this conversation. Yet a variety of barriers must be navigated in order for that leadership to be viewed favorably and with trust," the report said.

"Chinese enterprises will deepen their partnerships with foreign companies so that global consumers can benefit from faster telecommunications and other 5G-related services as soon as possible," Wen added.