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"During the past three years, China experienced great transformation in drug access, which promoted the research and development of new drugs, and helped to build a healthy drug ecology," said Rogers Luo, vice-president of Gilead and general manager of Gilead China.

"Economic momentum appears to have slowed in some major foreign economies, and that weakness could affect the US economy," Powell told the House Financial Services Committee in Washington in his semiannual monetary report to federal lawmakers. "Moreover, a number of government policy issues have yet to be resolved, including trade developments, the federal debt ceiling and Brexit."

"Every family had their own way of growing and processing tea," says Lin Zhuxiong, mayor of Liubao town where the village is located."The yield was low and the quality of tea was uneven among different growers. People felt discouraged about growing tea when nobody came to buy it."

"Even in the best-case scenario of limited outbreaks in countries outside China, a sharp slowdown in world growth is expected in the first half of 2020 as supply chains and commodities are hit, tourism drops and confidence falters," the Paris-based group said in a report.

"Drawing red lines really hasn't worked in the past," White House spokesman Sean Spicer told a briefing.