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"Collection monitors, security workers, custodial workers — they all chipped in to help," said Cowan. Fittingly entitled Essential, the episode features three interviewees – an author who had made visiting the Met every day her 2020 New Year's resolution; an artist who has published two books of figure-drawing out of her intense people-watching inside the galleries; and Angela Reynolds, the Met's assistant building manager for maintenance who heads the custodial team, whose members also were in charge of cleaning the building "the way they would have done in a hospital".

"Common interests are catalysts of friendship," Lei said. After becoming acquainted with people in her classes, she starts to meet them regularly after class and friendships bloom.

"Chinese vocational colleges offer programs delivered by highly qualified staffs, who sometimes are practitioners within the vocational area, while in the UK, all of our staffs are going to education as their second career, so they are practitioners within the educational subject," Rhodes says.

"Chinese tourists may not bother to buy when traveling overseas if they can buy the same stuff at home," he said. "Besides, it's more convenient to ask for after-sales services at domestic stores."

"Currently, SMEs are expected to ensure enough cash flows and prevent disruptions by increasing business income, reducing operating costs and obtaining external financing," said Huang Yiping, a professor and deputy dean of the National School of Development at Peking University.