41.  Accordingly, men and women, such two different types of human, should play different roles in life without doubt.

42.  Men have advantages in power, which women are weak at.

43.  Besides, some physiological problems prevent women from continuous work for a long time.

44.  Men are careless, while women are careful enough to take care of a baby.

45.  It's essential to acknowledge above facts that men and women are different, so objectively they should play different roles.

46.  As the saying goes, it's not tiring when men and women work together.

47.  In conclusion, men and women are born to be different.

48.  Women begin to question the assignment of the male and female roles as early as the beginning of the 20th century.

49.  Is that the genuine equality of the sexes if men and women play different roles in life?

50.  As far as I am concerned, those arguments about the innate differences between men and women are shallow.