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"China right now is our fifth-largest market," he said, noting that the biggest challenge facing US exporters to China "is a lack of cold chain infrastructure-shipping, storing and serving the beer cold," Pease said.

"Compared with other plastic products, straws account for only a small proportion of pollution. It's more urgent to reduce larger plastic trash like bottles by controlling production and enhancing laws and regulations," he said.

"Companies need to seek refined operations to reduce the cost and then offer better services to retain users," Sun added. "The bike rental fare hike may help companies ease the pressure to turn profitable. However, bike-sharing platforms may also face problems such as the loss of many users. As the ride costs the same or even higher than the bus, shared bikes may lose certain advantages."

"Considering that the Chinese economy has not yet completely returned to normal, those industries and companies hard-hit by the pandemic are still facing relatively high pressure, and their ability to repay loans continues to weaken," said Belinda Zhang, PwC China financial services partner.

"China started to send medical aid teams to Africa in 1963; the United States also has a long history of aiding African countries. However, the two major countries did not communicate with each other on what they are doing in Africa, and we have been trying to change that," he said.