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"For landlords, the use of smart door locks can bring the houses under the supervision of the public security system, and for tourists, their security would be ensured. For the public security department, it not only strengthens the supervision and management of travelers' information but facilitates the effective tracking and information analysis of online housing resources," said Tu Qiang, chief technology officer of Tujia.

"Going by the Sealand Securities case, prevention of bond investment risks is urgently required," said the source.

"Globalization brings more challenges for Chinese domestic companies than before," he said. "It is normal and inevitable. The point is how we prepare for that."

"From an epidemiological perspective, delivery workers meet lots of people who may be infected. Customers should know ordering takeouts doesn't necessarily eliminate risk," said Hung.

"For the present, at most 10 percent of the total population in China is covered by comprehensive tobacco control regulations," said Wu Yiqun, former deputy director of Thinktank Research Center for Health Development, a nongovernmental organization based in Beijing.