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"Dogs can hear high-frequency sounds that humans can't. By using such sounds, police can give the animals orders in situations in which they don't want to be heard, or from long distances," said Xu, a trainer at a police dog training base in suburban Beijing that is home to about 270 dogs.

"Employers should avoid wasting useful resources like middle-aged and elderly labor force. Instead, they should keep, retrain and recruit older employees, and provide tailored and long-term opportunities to study, so that companies can fulfill their labor demand," he said.

"Faced with high repayment pressure, domestic property owners are expected to have to offload their properties to pay down debt. The market is forecast to see a price correction in 2019, when sellers become more pressured to sell properties in the slow market," Macdonald said.

"Eating potatoes can help Chinese form healthier dietary habits and ensure food security," said Zhang Hong, a researcher at the Chinese Academy of Agricultural Sciences.

"Despite the complex and challenging external environment, China's economy has shown great resilience, potential and vibrancy. The economic performance remains within a reasonable range and the high-level opening up is advanced, laying a solid foundation for the stability of the foreign exchange market," said Wang.