It explains why we carefully study the exchange of value that occurs when sharing happens: What is the value for the person who shares?
所以我们会仔细研究分享行为中价值的交流：对分享者来说有什么价值？
It explains why we carefully study the exchange of value that occurs when sharing happens: What is the value for the person who shares?
所以我们会仔细研究分享行为中价值的交流：对分享者来说有什么价值？
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