As the researchers note in the study, lonely people tend to get more lonely over time not because of social isolation, but because they spread the feelings of loneliness across their social network.

正如研究人员在论文中所指出的，随着时间的推移，孤独的人会愈发孤独，而这并不是因为社交孤立，而是因为他们将这种孤独的感觉扩散到了他们的社交网络。

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Police probing Finland's first known school shooting said Thursday that a picture was emerging of the gunman as a lonely, antisocial 18-year-old who acted alone and left a suicide note saying good-bye to his family, but that his motive was unclear.

CNN: Finland in mourning after fatal school shooting