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"For someone with a PhD, how could he not know what the CNKI is? And how could he have never used it for referencing academic works?" one netizen wrote.

"For me, online classes are less interactive than in real classroom. You cannot have eye contact with students," says Li Ding, a college English teacher in Shenyang, Northeast China's Liaoning province.

"For example, many Chinese companies got a lot of experience in infrastructure development in a lot of the Belt and Road countries and regions, but British companies can offer experience in project design, engineering, sustainable green growth and management consultancy and services."

"For patients with both diseases, failure to bring their conditions under control will result in serious complications, which not only bring about skyrocketing medical costs but also severe damage to health," she said.

"First, many companies are not fully aware of the importance of developing the industrial internet. Second, there is still a lack of platforms, such as technology parks and innovation incubators, to boost industrial internet development," he said. "Third, there is still a lack of talent in the area of the industrial internet, and the country needs to enhance efforts in training such personnel."