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Chen Zhiyao, Beijing District Heating Group's director for heating services in Majiapu, in the capital's Fengtai district, told local media it had begun heating early in preparation for the cold front and gale and would adjust heating intensity according to the weather.

Cheng said the recent market adjustment will benefit both cruise operators and cruise passengers. "Operators will only be able to offer customers quality products and stay profitable if traveling costs return to those of 2012 and 2013. This is best for the industry."

Chen said that the battle against imported infections has become the top priority for prevention and control of the virus in Zhejiang.

Chen Lai, a professor at Tsinghua University in Beijing, said some ancient Chinese philosophers had proposed values for different civilizations.

Children who were born in the past 20 years will never know a world without smartphones or the internet.