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"China has been promoting tobacco control in public areas for a long time. A national ban with legal force has been considered, but not launched," Yang said. "Research like this can serve as evidence for policymakers and convince the public of the necessity to strive for an environment free of smoke fumes."

"Cash flow problems are forcing some SMEs in property to sell off some of their projects, or offload equity stakes, and sometimes sell out totally."

"CDC guidelines are still recommended but not required, and the president is the most tested man in America," she said, referring to the Centers for Disease Control and Prevention. "It's his decision whether to wear a mask."

"Canada should realize that it is impossible to continue suppressing Meng and Huawei while expecting to maintain normal exchanges with China," Zhang said.

"But we're going to get to the bottom of it." Trump made similar comments on Saturday about being unsatisfied with the Saudi response to the killing.