71.  In other words, women in biology may be a male in social gender, called bisexuality according to some feminists.

72.  Men and women may play different roles in life, which resulting from the natural physiological and psychological discrepancy.

73.  Until now, many people confronting such questions may say "Yes! ".

74.  This stereotyping may have two roots.

75.  Some people may say, when woman wants to start her own business like a man, this tradition will be a restraint and regarded as gender inequality.

76.  Men and women may be more similar than the popular perception.

77.  Feminists may say that women should play the exactly same role in life as men do.

78.  Therefore, the roles of men and women may not be easily changed.

79.  If men and women all play exactly the same role, the efficiency might be lower.

80.  If a girl can do labor work better than men, there's no reason to force her sitting in the office idly; on the other hand, if a man loves taking care of children and cleaning up, he might be a good "house-husband".