Our society structure affects all human relationships. Outside the home we have a system of power relationship: worker/employer, individual/state, etc., and most people feel particularly powerless if their specific situations are beyond their control. The resultant stresses need outlets. There are many different outlets. Many of us are inclined at least sometimes to take out our frustration (挫折) on people nearest to us. The kind of destructive outlet that a woman uses may be physical-either against her husband or children-but more often, it is directed towards her children who cannot walk out. Commonly, women turn violent feelings inwards: twice as many women as men suffer from depression (抑郁症). Women are the most vulnerable (脆弱的) to depression. As far as men are concerned, they have been brought up to use their fists-and even encouraged to do so. So a man’s outlet can, in its extreme form, involve physical violence against his wife and family. Many women have no way to escape: they can’t easily leave home. Compared with men, women are relatively powerless. Women are expected to look after their children. Many women are consequently totally dependent on their husbands’ incomes, or earn a little money at part-time, low- paid jobs. Fathers, on the other hand, are not seen by society as responsible for the care of their children. A man can still drink all his earnings if he wishes. One of the reasons, some women put up with beating for so long is because they are concerned about how they could bring up the children with little money on their own if they left. Often, women finally leave only when they fear that their children are themselves in physical or mental danger from their fathers. According to this passage, what is men’s role in the eyes of the society