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"Cold winds came through the gaps of the train doors and the doors could easily become frozen," Sun said. "The train attendants needed to be strong enough to open the door when the train arrived at the station."

"Currently, investors are interested in the chip industry, but it is important to ensure the right investment direction. It is important not to put all the money into semiconductor design. China is lagging behind advanced countries in chip material, equipment and manufacturing, all of which need heavy resource inputs," Ding said.

"Compared with the older generation, they are more willing to pay for convenience, entertainment, mental stimulation, companionship and education that will benefit their future careers."

"Chinese authorities at all levels have rolled out measures to help travel businesses recover their operations," Dai said.

"Companies are now scrambling to build infrastructure projects in countries and regions involved in the Belt and Road Initiative, which makes project engineering and trade industries that command the second and fourth biggest demand for talents," Chang added.