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"But now there are increasing numbers of retired people over age 60 due to the aging population, possibly bringing shortages in the labor force," he said.

"China is also committed to the principle of non-first-use of nuclear weapon, and no-use of nuclear weapon against any nuclear state at any circumstances and no-use of nuclear weapon against nuclear-free zones," she added.

"But we are also looking at more dire scenarios where the spread of the virus continues for longer and more globally, and the growth consequences are more protracted," she cautioned.

"China and Russia are friendly neighbors," he said. "The bilateral economic and trade exchanges are increasingly close. The courier service in China is so fast, which always makes me euphoric. I want to introduce China's fast courier service to Russia one day, as well as more quality Chinese products."

"China has no intention to move the cheese of any country. Instead, China is committed to making the pie bigger," Zheng said, noting that China is also willing to conduct three-party cooperation with other countries in the Pacific island region on the premise of respecting the will of regional countries.