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爱情或婚姻有个七年的坎,而荷兰Utrecht大学的社会学家Gerard Mollenhorst教授研究了我们遇到朋友的环境是如何影响我们的社交网络的。他其中的结论之一
Love or marriage has a seven-year span, and Professor Gerard Mollenhorst, a sociologist at Utrecht University in the Netherlands, has studied how the environment we meet with friends affects our social networks. One of his conclusions