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"China is a developing country while the US is a post-industrialized country. A large part of their materials to make consumer goods and industrial products depends on imports," Zhou said, adding that tariffs will only leave the US with two choices—buying from China with a higher cost, or buying from other countries with uncertain quantity and quality.

"But we're more concerned about the use of the app, particularly cellphone location data to conduct that kind of contact tracing because that type of information can be so incredibly sensitive and invasive and so easy to abuse."

"Canceling mining rights is not an aim but only a means to an end. The purpose of such policies is to better allocate resources under market mechanisms, allowing more capable parties to explore and exploit coalbed methane," he said. If the coalbed methane blocks are located in restricted areas, such as those protected for environmental or cultural reasons, the mining rights will be deducted or invalidated.

"China is still a developing country, and much remains to be desired in infrastructure and other fields. This development stage determines that we must have stable effective investment," Li said.

"China is making enormous investment in academic infrastructure to build up research capabilities, and that investment will pay off," he said.