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"But this accident sounds a timely warning that currently we cannot put all our faith in the technology, and we still need a lot more work to improve and test it."

"But the US Chamber would strongly disagree with a decision to impose sweeping tariffs," Donohue said in a statement released on Thursday.

"China now strictly bans any illegal trafficking and trading of human organs," he added.

"By early 2021, countries representing more than 65 percent of global carbon dioxide emissions and more than 70 percent of the world economy are very likely to have made ambitious commitments to carbon neutrality," he said.

"But the answer, given by the finance minister today, is no," said Zhang Lianqi, an economist and consultant with the Ministry of Finance.