在北京市区向西驱车1小时 (Beijing West Suburbs),有一片被群山环抱的秘境正悄然蜕变。当城市里的玉兰开始谢幕,海拔更高的檀谷 (Tangu ...
BEIJING, March 21 (Xinhua) -- British pharmaceutical giant AstraZeneca signed a landmark 2.5-billion-U.S. dollar agreement on Friday to invest in Beijing over the next five years, signaling the ...
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