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"Developing an international patent portfolio is a much more expensive exercise, given the higher patent filing and associated translation costs. This demands a focus on quality and on prosecuting only those patents that offer real commercial advantage," said Smith.

"Expats are an emerging consumption group with great potential. China holds great charm for foreign expats, but they'll stay here longer only with more life conveniences," he said.

"Evacuations should be carried out as early as possible," he said.

"Experience and lessons in the history of humanity's fight against viruses tell us that working hand-in-hand is the vaccine that never expires," said Xing.

"Despite our differences in political views, all should agree that recognizing the 'one country' and cherishing the 'two systems' will be key to securing Hong Kong people's livelihood as well as the region's future," he said.