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1. has/have a lot of advantages over has/have the advantage of 2. be of great benefit to sb./sth. 3. benefit sb./sth. benefit from 4. do good to be good for do damage to/damage sth. 5. be as as 6. not so much as The reason for the rapid increase in population is not so much a rise in birth rate as a fall in death rate. 7. There are some/two/many good reasons for/to do There are two reasons for the changes in peoples living conditions. First, we have been carrying out an opening and reform. policy. Second, our national economy is developing rapidly and the birth rate has been put under control. 8. We have many good reasons for 9. The reasons for are that 10. Different people have/hold different opinions/views/viewpoints/points of view/standpoints on this problem/issue. Some believe thatothers argue thatstill others maintain that | 
