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"Foreign investors, who usually care more about long-term shareholder returns, such as return on equity and dividend yield, will help listed companies to focus on these areas," she said.

"Getting married later is a common phenomenon in the world. China is no exception with rising age at first marriage," said Zhang Juwei, a demographer with the Chinese Academy of Social Sciences.

"For several weeks, the number of cases reported each day in the Americas has been more than the rest of the world put together," he said.

"Forestry departments at all levels should enhance patrols in major habitats, wintering and breeding areas of migratory birds, as well as their migration routes and stops during migration," said Li Chunliang, deputy director of the National Forestry and Grassland Administration.

"For one thing, mobile payment methods significantly save passengers' time and make travel more efficient. For another, since the government administers the whole railway transportation system, it's easier for it to develop and roll out a unified payment system on a nationwide basis."