21.  On the other hand, they May not know many courses as we do.

22.  For example, when we begin with learning English we May feel it is difficult to learn.

23.  For example, at the beginning of studying English, we May feel much trouble to us.

24.  But we May read them every morning, every evening, every spare time.

25.  For another example, when you learn to skat , you might too fear to move at the first time.

26.  Skillful May do you good .

27.  At the first, you May feel difficult later you can find you needn't see the hole of the needl you can cross the thread.

28.  Perhaps, some people May fell surprise to the change.

29.  From this fact, you May say what causes lead this change .

30.  There May be several reasons for this situation.