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"Free trade arrangements among WTO members are a helpful supplement and a positive driving force for the multilateral trading system," Xue added.

"For the large number of elderly people who are not familiar with them, mobile payments mean great inconvenience," Zhen said, adding that for those living in remote villages or who are less well-off, and where internet coverage is still low, cash remains king.

"For a country with a time-honored civilization, like China, it is important to strengthen the protection of cultural relics as a way of reinforcing historical memory. The key is to ensure that the basic principles of protecting cultural heritage are fully implemented," Li said.

"George Floyd changed the world. And we are going to make the world know that he made a difference," he said.

"Globalization has been the greatest force in human history to bring progress, deliver jobs, provide incomes, foster technology－including the production of vaccines, whether against smallpox, measles or polio," he said.