We have different identities within each of the communities (real and virtual) to which we belong: mother, neighbour, teacher, blogger, tweeter, committee chair, coordinator, avatar.

• 我们在不同的群体（真实存在的）有不同的身份：母亲，邻居，老师，博客，高音用扩音器，委员会主席，协调者，化身。