61.  And if the wife insists on playing the same role, she may suffer a lot fixing the pipe or changing the light bulb.

62.  That is to say, if a job hunter gathers traits that a corporation needs, he or she may be welcomed.

63.  People might question how many women presidents are there in history?

64.  Although we might admit that women can also make achievements in those areas which are under the men's control, we still have to confront the fact that it might reduce the social efficiency.

65.  From this example we can draw a conclusion that sometimes the replacement between men and women may lead to chaos.

66.  The antagonism between the new and the old ideas may cause severe disorder or even havoc, and this can easily make social efficiency reduce.

67.  This kind of cases may result from the fact that advantages and disadvantages are changeable, and if we take a different attitude towards disadvantages, then, they may go away.

68.  Obviously, in the physical sense, men and women may pick up different jobs due to their characteristics.

69.  Special occupations may need special groups of people.

70.  As I point out before, different genders may be suitable for different jobs.