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"For example, an X-ray machine in a hospital can be used more than 100 times a day, and the fees charged for using it can cover the purchase cost in about three to four years," Zhang said. However, the computed tomography scanning machine Zhang bought for his clinic, which cost 2 million yuan (0,969), is only used about 15 times on a busy day.

"Guided by mutually beneficial market operations, SOEs will actively enhance all-round cooperation with them, serving as a national team in stabilizing the industrial chain over the long run," Weng said.

"Flying less has made me more productive, as I stay in both cities longer and get meaningful work done," she said, adding that as she is now starting her third 14-day quarantine period, this has become a "new normal" and an opportunity to be productive.

"Given that Taiwan leader Tsai Ing-wen and her party are now explicitly seeking better relations with the US, Beijing needs to be on high alert for US interactions with Taiwan," Zhu said.

"Given that two accidents both involved the newly delivered Boeing 737-8 planes and happened during the take-off phase, they had some degree of similarity," China's Civil Aviation Administration said on its website, adding that the move was in line with the principle of zero tolerance for safety hazards.