People kiss both friends of the same age as well as their family members.

人们会亲吻同龄的朋友和家人。

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Like other children, he likes to play games with his friends of the same age.

和其他孩子一样，他喜欢和同龄人玩游戏。

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Lubov, unlike her friends of the same age, is not afraid of the computer and enjoys exploring it.

不像她同龄的朋友们，并不害怕电脑，反而乐意探索它的奥秘。

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Posts which could identify the teens' age or location should only appear in searches by friends and "friends of friends" in the same age group.

BBC: Facebook social graph search results limited for teens

It also analyses the types of friends a child has, asking if they are same age and whether they share mutual friends with people the child knows.

BBC: Child safety measures to protect against internet threats