1.  On the other side, it may cause copyright problems.

2.  If we can't standardize the commercial competition, the protection of copyright is a great problem.

3.  Even though online education has many advantages, we still have to pay attention to many other aspects , including the problem of copyright.

4.  When other teachers use the author's course, the writer can't defend his copyright because the course-ware can be seen by anyone.

5.  First, respect other people's privacy and also mind our own words or behaviors online; second, follow the copyright rules and don't download and upload illegal sources like music and movies.

6.  As the development of technology, people seem pay more attention to copyright protecting.

7.  Developing countries have to set up laws to protect copyright.

8.  By the way, copyright law can make the market more standardized; promote enterprise investment to promote economic development and science and technology innovation.

9.  Copyright law will increase the production cost, because the producers have to pay patent holders.

10.  In a word, copyright law has a bad effect in the development of economy.