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"Ecological agriculture should highlight 'the green brand', 'the longevity brand', and 'the selenium-rich brand' in a bid to produce green, selenium-rich and high-quality organic agricultural products," he said.

"Due to COVID-19, it will be very difficult for Xiang Xiang to be returned to China by the end of this year as originally planned," Hua said, adding that authorities of China and Japan are consulting to set a new date for her return.

"Due to the pandemic, we cannot go abroad, but it's a good choice to travel in Hainan and enjoy duty-free shopping here," said Shao.

"Every year, we conduct three to four workshops for the farmers to help them improve their skills and business thinking."

"Everyone can quickly comment or post articles in the internet era, but if they don't clarify that they are the owners of the works or disclose their copyright registration at government agencies, it'll be a challenge for others to find out where the works are originally from, let alone get authorization after contacting the authors," Liu said.