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"But the epidemic ruined the plan, and we had to stay at home," she said. "I introduced my parents to the online services a week ago, telling them that they can see anywhere they want online with free presentations.

"China has advantages in clean energy technology and production," Wen said. "The Belt and Road Initiative encourages domestic businesses to explore opportunities abroad."

"China has been a very active player throughout," he noted.

"China is taking a leadership in maintaining free trade, and actively collaborating with international partners. The world cherishes that leadership, because collaboration and not confrontation is the way forward."

"China has multiple landforms including plateaus, mountainous regions and plains, so the helicopter must be able to operate in every landform. Foreign helicopters have not met our needs, especially those in plateaus and mountains," he said.