A happy third-de GREe friend — a friend of a friend — increases a person's chances of being happy by 6 percent.

如果你的第三层社交圈，如朋友的朋友很快乐，那么你快乐的几率会增加6%。

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A happy third-de GREe friend — a friend of a friend — increases a person's chances of being happy by 6 percent.

如果你的第三层社交圈，如朋友的朋友很快乐，那么你快乐的几率会增加6%。

youdao