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"Correct matches were made 98.1 percent of the time," Wang said, adding that the police had worked with the technology company to optimize the system.

"Chinese should be guests instead of tourists, and can have more direct and in-depth communications with local residents," she said. "We're also promoting slow tours, such as a bicycle ride in a beautiful national park to enjoy the scenery and food in a leisurely way."

"China still has plenty of potential sources of domestic growth－consumption for instance－and it can now cultivate these further. That means it will be able to face the current issues with more flexibility and readiness than others, although the question is whether this will be sustainable."

"China will work with the United Nations, the World Health Organization and other partners to assist Africa's response to COVID-19, and do it in a way that respects the will of Africa," Xi said.

"Constructing high-speed railways, especially in complicated geological environments, demands the highest quality of steel rails," Liang said.