早在史前时期，女性充当的是繁衍后代的角色，因此她们更脆弱，需要依靠团体的保护才能生存下去。

Dating back to pre-history, a woman’s more vulnerable role as childbearer meant she had to depend on the support of the group for security and survival.

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每个各自的团体必须定义它们的成员、角色、许可等等。

Each of the respective communities must define their membership, roles, permissions, and so forth.

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治理委员会可能定义团体图，但是一般情况下各自的团体拥有决定角色、许可、用户组等等的职责。

The governance board may define the community map, but in general the respective communities own the responsibility to determine their roles, permissions, user groups, and so forth.

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