据图书馆工作人员钟晓彤介绍，这两个机器人是被派来图书馆帮助引导读者的。
According to Zhong Xiaotong, a worker from the library, the two robots are set to help guide readers in the library.
据她介绍，从这本书封面里的图书馆标签及上面的旧笔迹可以判断，这本书最后一次正式借出是在上个世纪初。
The library sticker inside the cover, and the old-fashioned handwriting on it, showed the book was last officially loaned out at the beginning of the last century, she said.
据去年发表在《科学公共图书馆——医学》杂志上的一篇论文称，孤独对死亡率的影响跟抽烟和酗酒相当。
According to a paper published last year in the Public Library of Science, Medicine, the effect on mortality of loneliness is comparable with that of smoking and drinking.
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