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As the novel coronavirus epidemic dented consumption, China has been encouraging innovative ways to tap market potential, especially in the countryside.

As the majority of passengers traveling by air between the major hubs of Beijing and Shanghai are business travelers, they are "insensitive" to fares, and airlines rarely offer tickets at a discount on this route, said Cheng Zhiwei, a researcher at the National Development and Reform Commission's Institute of Transportation Research.

As the two sides reached an impasse, the DPRK took the opportunity to move forward with its program and, since 2005, has carried out five nuclear tests and numerous missile tests. In the meantime, the U.N. Security Council has stepped up sanctions, and the US and the Republic of Korea have been carrying out heightened military exercises to exert greater military pressure on the DPRK. Consequently, tensions are now running high and the channel for talks is closed, and the situation is increasingly dangerous.

As vegetables often spoil at extremely low temperatures, Liu used rocks to build a natural "cupboard" that would keep the ingredients fresh.

As the top telecom equipment maker and the second-largest smartphone vendor in the world, Huawei purchases tons of chips, relevant products and services every year from US semiconductor chip companies, including Qualcomm Inc, Intel Corp and Micron Technology, as well as European suppliers, such as Arm Holdings and NXP Semiconductors.