调查还显示，人们的年龄和社交网络好友的数量有明显联系。
The survey found that there was a clear link between people's age and the number of online friends they have.
对于平均每个孩子有210个网络好友这样一个数字，知道他们跟正确的人交友是重要的。
Kids have an average of 210 friends on Facebook so it's important to know if they're friending the right people.
如果你还没准备好把你自己完全暴露给那些要求当你的网络好友的人，那么，是时候是你学习怎么学习使用Facebook的好友列表了。
If you're not ready to expose everything about you to anyone who asks to be your online friend, it's time you learned how to use Facebook's friend lists.
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