71.  For example, construction workers are usually men, because men have obvious advantages over women in strength.

72.  Meanwhile, cashiers are usually women, because they can easily operate on the small keyboard with their slim fingers.

73.  On the contrary, if we need one to take care of the child, a woman is more suitable than men because women are more careful and patient.

74.  We usually hear those tragedies that a family was broken because the wife with a higher education or social status earned more than the husband.

75.  Not because they are lack of the ability to make money or their health condition is bad after childbirth, but they typically have a better ability to express their feeling, which promotes bonding with babies and others.

76.  Some say it's because that women's status has risen greatly and it is true that women have more rights now and are better respected by the society.

77.  But men may choose lawyer or policemen because these jobs need more logical thinking.

78.  Because they can all find the right position and do the proper things which match with their abilities and interests.

79.  I want to improve my English vocabulary, so that I can further improve my reading ability, because many documents which I have to read are written in English.

80.  At the beginning of the first semester of my postgraduate's life, I have already realized the importance of English, because a great many of professional books and papers are in English to describe.