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"Facing the uncertainties of the external environment and changes in the market, we can't wait, we can't put our hope on others and we can't fear," Li said, appealing for telling truth and making innovation.

"Each stent would have cost 13,400 yuan (,900) before, but it is now sold for 7,100 yuan," he told local media. "That means I have saved more than 20,000 yuan in total. With the vast discount, we have gained plenty of benefits."

"Economics says the differences are incredible assets – comparative advantages, division of labor, all stuff you read in economic textbooks says you should leverage differences," said Garrett, a native of Australia specializing in international political economics who also has been a professor at Oxford, Yale and Stanford universities.

"Everything Speaker Pelosi and Leader Schumer have done suggests one simple motivation: They do not want American families to see any more bipartisan aid before the polls close on President Trump's re-election," McConnell said, referring to House Speaker Nancy Pelosi and Senate Democratic Leader Chuck Schumer.

"E-commerce has also become a key way to help the underprivileged out of poverty," Liang said.