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"Even 10 years ago, all the street lights (in China) were all LED. There were street sensors for traffic tracking and control," said Yu. "It all happens very quickly, because whenever there's a hot technology, the Chinese people will go for it."

"Easy access to electronics products has played a major role in increasing the number of young people getting gaming disorders," Lu said. "In addition, many children lack enough extracurricular activities or other entertainment, which has caused them to become addicted to video games."

"During the first quarter, the current account is likely to remain stable within a reasonable range, although it may show a deficit. The COVID-19 pandemic will not alter the basic trend in the medium to long term," said Wang.

"Either children are less likely to become infected, which would have important epidemiologic implications, or their symptoms were so mild that their infection escape detection, which has implications for the size of total community infection," wrote doctors Anthony Fauci, Clifford Land and Robert Redfield.

"E-commerce also contributed the improvement of livelihoods among rural residents in the region, through ooperatives operated in many rural villages to produce local products and sell them online. This model has greatly contributed to the region's overall poverty alleviation."