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

2.  When first heard about the issue, we should catch the point of the problem's nature-conflicts between open resources and copyrights.

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

6.  For instance, if we are free to download anything from the Internet, the author's property in copyright will be violated.

7.  If you have somehow violated the copyrights for distribution of copyrighted materials.

8.  There're thousands of materials violating copyrights and adding to breach of intellectual achievements.

9.  And another important problem is the copyright of the author.

10.  Nowadays, a growing number of developing countries are strengthening the protection of copyright through making laws.