Yang Jie, a researcher at the China CDC's Tobacco Control Office, said an e-cigarette is not considered a drug or an electronic product, which has caused "a dilemma" over effective supervision.
Yang said the competition in the domestic food delivery sector would be more intense as the two giants-Ele.me and Meituan Dianping-will dominate the market.
Yang Zhen, a tourist from Lanzhou, said he likes the RV park because it provides different forms of accommodation, so visitors can have different experiences.
Yang was still in college when his father died in 2015, and in February, when he shot the video, his grandfather's heath was deteriorating.
Yang Liping, one of China's most famous dancers, directed her first dance drama about ocean culture.
Yangling Modern Agriculture Demonstration Park Development and Construction, a company in Shaanxi province, has been using the land to test crops since 2015, when it entered into a strategic cooperation partnership with the Kazakhstan International Integration Foundation.
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Yang added a Huoyan laboratory made by BGI is equipped with automated equipment for the extraction of high-performance nucleic acids to improve the efficiency of large-scale detection.
Xuelong will sail out of the floating ice area and into the wide Southern Ocean under favorable weather conditions, and is scheduled to reach the Zhongshan Station in Antarctica on Nov 30.
Xue Rongjiu, deputy director of the Beijing-based China Society for WTO Studies, said their trade doesn't involve any significant direct competition.
Yang feels grateful and happy about the big changes that happened in the village this year with the help of the government. His biggest wish is to open a motel for tourists.