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"Compelling evidence now supports the benefits of cloth face masks for both source control (to protect others) and, to a lesser extent, protection of the wearer," it said.

"China was not rich at that time, but decided to build the Tanzania-Zambia Railway," he said, noting that the reason to build the railway was to break colonists' suffocation of Zambia.

"Currently, 12 of China's 20 civil aviation pilot schools are using Diamond DA42 aircraft as their training aircraft, and in the future, 90 percent of the schools will be doing so", said Hong.

"China's rapid growth has spurred the consumption upgrade, with customers requiring constantly innovative solutions for the future," said Stephen Shafer, president of 3M Greater China. "As we embark on a journey towards success, design plays an instrumental role in helping to fulfill our competitive advantage."

"China's smartphone market is declining because consumers are holding on to their phones for longer, operators like China Mobile have reduced their smartphone subsidies, and device makers such as Huawei have launched fewer 'wow' models to tempt shoppers back into retail stores. Some consumers are finding their smartphones 'good enough' and are pausing on upgrading," Neil Mawston, executive director at Boston-based Strategy Analytics, said in an email.