81.  Since the 1980s, because of the Reform and Opening-up policy, Chinese economy has taken off and has been increasing in a rapid rate every year.

82.  Second, it can increase the efficiency of learning if two people study together.

83.  Since 30 years ago, the number of chinese students go abroad has been increasing rapidly.

84.  So, if we put too much on this feeling, we will only increase pain in ourselves.

85.  To some extent it has gradually \

86.  As economy developed and citizen's salaries rose , the number of overseas students progressively increases and new trends have emerged.

87.  Since nowadays people can more easily afford to study abroad as their income has increased while expenses for studying abroad have not changed much , or even in some countries , the expenses declines as a result of economic depression.

88.  From analysis of returning students after they finish their study abroad , it is easy to find that only a small part of these students return although the proportion is increasing , most of them immigrate to a more civilian country with well-established social system and well-educated people.

89.  In order to change the situation, as far as I am concerned, our teacher is supposed to increase spelling in exams.

90.  In recent years, the number of Chinese students studying abroad has increased rapidly.