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"By hammering on each wooden railroad tie, workers can tell how much it has eroded and when to replace them with new ones," Dong said, adding a routine check of the ties is arranged once a month.

"Cherish your own prospects and do not fail to live up to your parents' and teachers' expectations," Sin Kam-wai, a retired teacher in Hong Kong, said. "If students boycott classes, it means they are wasting social resources and hurting themselves."

"China is Siemens Healthineers' second largest market after the United States ... China is probably one of the main contributors of our future growth as the country has the greatest economic growth potential. For most medical companies, China's success determines whether a company can achieve growth, as this is one of the key growth contributors," said Wang.

"But the market is willing to give it a high valuation as an internet company due to the celebrity effect brought by the lineup of star-studded shareholders such as Pony Ma and Jack Ma," he said.

"China and Cambodia will firmly oppose unilateralism and protectionism, and prevent such practices from impacting the regional economy, and develop the markets related to the Belt and Road Initiative, as well as work together to accelerate the negotiating pace to promote the Regional Comprehensive Economic Partnership," she said during the fifth meeting of the China-Cambodia Joint Economic and Trade committee.