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"Developing technologies to facilitate upgrades is not difficult, but the cost for each round of research will increase," he said.
"Everyone, big and small, has sacrificed a lot during the six-month (closure)," she said.
"Everything is in good order. My life is also gradually returning to normal," said Chen Xuemei, a resident in the eastern Chinese city of Shangrao.
"Efforts should also be made to promote investment by private equity and venture capital firms in the development of low-cost clean energy, which will eventually lead to a substantial transition in the energy sector by significantly reducing the cost of green energy through technological innovation," he said.
"Facing the growing trend toward unilateralism and protectionism, China and Japan have become more urgent in strengthening coordination and cooperation. Both countries believe that multilateralism and free trade are in line with both their interests and current trends," Ruan said.
