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As a driving force for the global economy, the G20 should adhere to open development, support the multilateral trade system with the World Trade Organization at the core and prompt trade and investment to continue playing the role as an engine for the world economic growth, Xi said.

As a measure of government intervention, Bovis said, "The anti-mask law appears to be necessary to maintain law and order in a system which has not experienced such levels of unrest." And "it is not unreasonable to justify the principle of transparency and accountability during the exercise of the freedom to protest and demonstrate".

As a key geographical point on the 21st Century Maritime Silk Road, Fujian has benefited from the country's reform and opening-up policy, with its volume of imports and exports exceeding 1.2 trillion yuan (8.5 billion) last year, she said.

As for the size of the market, total sales of hemp-based CBD products are expected to reach billion by 2022, up from 9 million in 2017, according to Brightfield.

As Yueyaquan is a suburban area of Dunhuang, residents in the past were assigned far less farmland per capita than if the village were classified as rural, said Zhang, who recalled that life was tough when most people worked the land for a living.