Dunbar says his number of 150 "refers to those people with whom you have a personalized relationship, one that is reciprocal and based around general obligations of trust and reciprocity."
Dunbar说他定出的这150人“指的是那些和你直接建立关系的人，彼此信任，互惠互助。
Dunbar says his number of 150 "refers to those people with whom you have a personalized relationship, one that is reciprocal and based around general obligations of trust and reciprocity."
Dunbar说他定出的这150人“指的是那些和你直接建立关系的人，彼此信任，互惠互助。
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