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Any resident of Beijing will confirm that the improvement in air quality has been almost miraculous.

Another working paper from the institute, with its head Mu Changchun as the lead writer, disclosed that the central bank has already applied for a large batch of blockchain-related patents, ranking the top among all global central banks.

Ant has branched out overseas aggressively in the past two years to fulfill its stated goal of serving 2 billion customers over a decade. The deal will take the total number of recipients of its technology-export model to eight economies, after agreements were reached with local players in India, the Philippines, South Korea and Indonesia.

Ao Li, head of technology and standard institute at the China Academy of Information and Communications Technology, said: "Influenced by the epidemic, the country's telecommunications industry has seen slowed growth pace to some extent but it is obvious that the industry has withstood the test."

Anyone who has studied Mandarin, no matter how long, knows that Chinese characters play a dominant role in the language. Each Chinese character has its own meaning and history.