The United States has been witnessing a resurgence in COVID-19 cases across the country. On Thursday, its caseload passed the 4 million mark with more than 140,000 deaths, according to a tally by Johns Hopkins University.
The United States, which possesses the world's largest nuclear weapons arsenal, should conform to the irreversible world trend of peace and development rather than run in the opposite direction, Ren said.
The US also leads the world by far in the number of confirmed infections, with 555,313 by the Baltimore-based university's count.
The US sanctions on Hong Kong, which conflict with its own interests, will have little impact on the global financial center, said Francis Lui, an economist at the Hong Kong University of Science and Technology.
The US has never been cautious about "defending" its own interests, the report said. The threat of sanctions issued by the US on the second line of the North Stream natural gas pipeline or on companies that do business with Iran has made Germany feel this, it added.
The U.S. trucking industry is estimated to hover around 0 billion, and it has largely been untouched by technology.
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The US equities posted solid gains last week amid positive sentiment, with the Dow adding 1.13 percent, the S&P 500 gaining 1.65 percent, and the Nasdaq rising 2.18 percent.
The United States and China are the world's top two AI researchers, accounting for more than 57 percent of the science papers recorded by the Association for the Advancement of Artificial Intelligence last year, according to a study by the University of Toronto.
The UK is third in the world in terms of online collaborators, behind only the US and Germany.
The United Arab Emirates (UAE) announced 812 new COVID-19 cases and three more deaths, raising the tally of infections to 28,704 and the death toll to 244.