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"Concerted efforts are needed because 25 percent of global land resources have degraded, leaving 1.5 billion people suffering from sandstorms. Therefore, more exchange programs on desertification will be carried out between China and other nations," Zhang said at an international conference marking the 25th anniversary of World Day to Combat Desertification and Drought.

"Combined revenue of retail and dining in the seven-day Spring Festival holiday totaled 1 trillion yuan (3 billion) in 2019. During the same period of this year, the loss of Chinese dining business operators may reach 500 billion yuan," the report said.

"Customers will pretty much want a car to look like a car looks today, even if has all the autonomous features." Gammage, formerly General Motors Co's chief scientist in Canada, said researchers are still looking at non-stick coatings as a cost-effective way to protect lenses.

"China's decline has softened slightly, which offers some relief after a bad year," said Canalys Analyst Mo Jia, adding that major vendors are gearing up to full speed, releasing new products and spending on marketing to maintain market share.

"China's door of opening-up will not be closed and will only open even wider," Xi said at the opening ceremony of the annual Boao Forum for Asia in Hainan province in April.