Isn't the distinction between friend and enemy ? based on a kind of knowledge, on a perception of ? who is your friend and who is your enemy?

朋友与敌人之间的差别,不是根据知识吗，或是你对,谁是朋友或敌人的看法？

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and you feel like you've made a lot of choices in where to go with you and your friend.

你觉得，以往决定跟你的朋友去哪玩的时候你已经出了很多主意。

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I might have a photograph of my friend Ruth.

我有一张我朋友露丝的照片

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but a friend of a friend of a friend, I think that helps.

而一个朋友的朋友的朋友，我想可能都会帮到你。

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