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"CDC guidelines are still recommended but not required, and the president is the most tested man in America," she said. "It's his decision whether to wear a mask."
"China is not the enemy," Jeffrey Sachs, a professor at Columbia University, wrote in an opinion column published by CNN. "It is a nation trying to raise its living standards through education, international trade, infrastructure investment and improved technologies.
"China has abundant experience in developing tourism projects and building entertainment facilities such as glass skywalks, all of which can help promote the development of tourism in my hometown," he said.
"China has been completely and strictly implementing DPRK-related resolutions of the Security Council, and faithfully fulfilling its international obligations. To that end, China has sustained huge losses and made tremendous sacrifice," the spokesperson said.
"Charitable organizations have the trait of being ruled by people, and this is a problem all people in the industry should face," she said.
来源：资阳报