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"Efficiency and time play a key role in the cross-border e-commerce industry. Let's say you are ranked as the No. 1 seller today in the market, but when you are out of stock for three days, then your ranking might fall below 50. When that happens, it's very difficult for your business to recover," Wei said.

"ECMO is the last resort for critically ill coronavirus patients," Peng said. "Though it does not ensure reversal of condition or recovery, ECMO, at the very least, prevents moribund patients from dying of oxygen deficiency in the short term and thus increases chances of survival."

"Enough consideration should be given to both teachers' busy work and their personal life," said the official, who would not be named.

"Elsewhere we observe buoyant economic conditions underpinned by the growth of free trade outside the United States," he said.

"During last year's travel rush, the average travel distance was only 394.4 kilometers, and nearly 80 percent of the homecoming passengers traveled less than 500 km," he said.