Between any two interacting groups, there is an arc which is labelled with the degree of interaction.

在两组互动群体之间，都有一个弧形标记相互作用的程度。

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Galaxies in such groups often interact and even merge together in a dynamic cosmic dance of interacting gravity.

这样的群组中的星系时常相互作用，甚至在活跃的相互作用的宇宙引力之舞中合并在一起。

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Journeys are groups of user stories interacting with each other.

所谓Journey就是彼此交互的用户故事的分组。

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Do different groups of primates have different cultures and ways of interacting with each other?

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