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"During the last two years, annual rainfalls have been well below long-term averages. In addition, annual rainfall patterns have changed, so that there are longer periods between rain events. This has resulted in drought conditions in many parts of Australia."

"Digital and ecological transformation go hand-in-hand and will shape our economic future. Medium-sized companies are facing a major challenge. They must adapt to a new, highly competitive, globalized and digitized environment. The digital economy and its major international players can provide the necessary technologies for the digital transformation," Kyrtsos said.

"Dunhuang only has a 160-kilometer regular railway connecting with other cities in Gansu so people can only get there now by ordinary train," said an official at the Lanzhou Railway Bureau's publicity office, who declined to be named.

"Embracing the smart revolution, enterprises can effectively improve the production efficiency and offer better services," Liu added. "For instance, chatbots are helping combat some of today's biggest customer service challenges. Chatbots are able to learn knowledge up-to-date and offer services 24 hours a day, seven days a week, helping reduce the labor costs and better cater to the customers."

"During cooperation with Africa, the international community should respect the sovereignty of Africa, listen to Africa's opinions, value Africa's proposals and live up to their promises," he said.