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