Itissaidthatmostpeop的知识精选

Itissaidthatmostpeoplehavenotmorethan30friendsatanygive...
问题详情:Itissaidthatmostpeoplehavenotmorethan30friendsatanygiventime,and400overthewholeoftheirlives.However,onsocialnetworkingsites,mostusershaveabout150friends.Ifthesenumbersarecorrect,thenfriendship...
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