1.  Practice makes perfect is a very important means in doing everything.

2.  alternatively, some people make use of buses, which are also an important means of transportation .

3.  The other important means is bycical .

4.  Thirdly, TV is an important means of the recreation and entertainment.

5.  In the United States, in recent years each president takes the TV as the most important means to publicize their political views and plans.