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Among the capital's 16 districts, the four northern districts - Huairou, Miyun, Yanqing and Changping - have seen the average PM2.5 level in July drop below 60.

Amazon’s digital brain Alexa is very skillful, now at more than 12,000 third-party capabilities, but it can sometimes be difficult to wade through them all and discover new skills, and the platform lacks a?central voice search to?help users find the right skill for a particular task.

Among all students who major in Chinese language education, there is no doubt that Wang Liangliang is a special one, as her classes are broadly welcomed by students both at home and abroad.

American auto giant General Motors Co reported record first-quarter sales on Thursday in the mainland.

American Airlines on Sunday removed the 737 Max from its schedule for another month. The grounding through Dec 3 affects about 140 flights per day, the airline said. American initially grounded the planes in March after the crashes.