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What really matters to China and the U.S., the world's two most important trading countries and the second-largest trading partner for each other, is not who has the privilege to write trade rules, but how to write rules together with other countries in a bid to jointly promote open, transparent and rule-based economic cooperation that benefits all. "Certainly a lot more can be done down the road," said the ambassador.

Local political advisory organs should draw experience from daily practice, bring about innovative solutions and seriously implement the decisions made by the Central Committee of the Communist Party of China (CPC), Yu said.

Beijing 2022 host has unfolded a Games plan that underlined the full alignment with the principles of the Olympic Agenda 2020 and stressed sustainability as one of the key pillars.

In Fuxin, Liaoning, a new memorial hall for dead miners also opened on Saturday, with more than 2,000 people attending.

Liu said China would be strictly in compliance with IOC rules, in particular following the guidance of the Olympic Agenda 2020 to present a fantastic, extraordinary and excellent Winter Olympics in the seven years to come.