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"Global collaboration, multilateral cooperation and collective strength is desperately needed in response to the pandemic," Zhang wrote in an op-ed published in the South China Morning Post on Tuesday.

"From my observation, not only me, also many of my friends, have issues similar to mine, ranging from loneliness to linguistic and cultural barriers," said the now 17-year-old, who also goes by the name Lincoln.

"First of all, it is more reliable to use film to preserve historical moments," he said. "Also, film is a more sentimental medium, compared with a digital record in a smart phone or a camera. We make the memory warmer by preserving it in film."

"For some irregularities in the history of some private enterprises, (we) should see the problem in the light of the development and follow the principle of 'crimes and punishment stipulated by law' and the principle of 'innocent until proved guilty', so that entrepreneurs can unload their mental burden and move on," Xi said.

"Formal and informal barriers are rising. Frictionless trade is beginning to rub, supply chains are starting to drag. Business leaders must recalibrate and adapt to this new reality or global players", he said.