61.  First, the physical differences between men and women are rather obvious and most of these can be seen and easily measured.

62.  They need to trace the game, catch it, and find the way home, while women have a better peripheral vision that helps them to see what's happening around the house, to spot an approaching danger, to notice changes in the children's behavior and appearance.

63.  What we see is a larger freedom for women to choose their jobs, to pursue their own career goals, to determine social roles of their own.

64.  That is the up-coming trend \

65.  Dramatically, the revolution have appeared not only in the workplace where once women were rarely seen in areas such as the offices of major firms and government departments they have now become accepted, but also at home that more and more live-in dads can take the place of the working mother and take the responsibility of caring for a child.

66.  Seen from the intelligence factor, however, men and women are mostly equal.

67.  Men were seen as the breadwinners of the family, from whom the family's main source of income was obtained.

68.  We can also see such examples in everyday life that some men do good jobs as house-men and some women are superior to her male colleagues in working field.

69.  As we can see, the role played by men and women was changed over by comparing the past and present.

70.  The statement is "women and men should hold different roles", it is obvious to see the word "should" instead of "must".