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"Enthusiasm is the best teacher. Sometimes one will even forget to eat and sleep just for making a good cup of tea," Wei says.

"Every Friday, I come to the Chinese corner, and they have presentations about different topics of China, like Chinese food, Chinese wedding habits, Chinese music and so on," he said. "The more you know about the culture, the better you understand people."

"Faced with those limitations, the president will do everything he can. If closing the ports of entry means that, that's exactly what he intends to do," Mulvaney said. "We need border security and we're going to do the best we can with what we have."

"Demand for egg freezing has risen substantially in recent years," said Gu Siliang, co-founder of Joybaby, an agency in Shanghai, which fielded 1,000 inquiries last year, and arranged for 500 women to undergo the procedure.

"Extreme high temperatures didn't frequently come to southern parts this July," he said. "There were fewer records of 40 C or above in the south than in previous years."